3820473178956 has 96 divisors (see below), whose sum is σ = 11362002624000. Its totient is φ = 1087505849664.

The previous prime is 3820473178913. The next prime is 3820473178957. The reversal of 3820473178956 is 6598713740283.

3820473178956 is a `hidden beast` number, since 3 + 8 + 2 + 0 + 473 + 1 + 78 + 95 + 6 = 666.

It is a super-2 number, since 2×3820473178956² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 3820473178893 and 3820473178902.

It is not an unprimeable number, because it can be changed into a prime (3820473178957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9189826 + ... + 9596553.

It is an arithmetic number, because the mean of its divisors is an integer number (118354194000).

It is a 1-persistent number, because it is pandigital, but 2⋅3820473178956 = 7640946357912 is not.

Almost surely, 2^{3820473178956} is an apocalyptic number.

3820473178956 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3820473178956 is an abundant number, since it is smaller than the sum of its proper divisors (7541529445044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3820473178956 is a wasteful number, since it uses less digits than its factorization.

3820473178956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18786668 (or 18786660 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 3820473178956 in words is "three trillion, eight hundred twenty billion, four hundred seventy-three million, one hundred seventy-eight thousand, nine hundred fifty-six".