4786978743957 has 8 divisors (see below), whose sum is σ = 6382762632000. Its totient is φ = 3191257009280.

The previous prime is 4786978743949. The next prime is 4786978743973. The reversal of 4786978743957 is 7593478796874.

4786978743957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4786978743957 - 2³ = 4786978743949 is a prime.

It is a super-2 number, since 2×4786978743957² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4786978743957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4786978743917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15358332 + ... + 15666917.

It is an arithmetic number, because the mean of its divisors is an integer number (797845329000).

Almost surely, 2^{4786978743957} is an apocalyptic number.

It is an amenable number.

4786978743957 is a deficient number, since it is larger than the sum of its proper divisors (1595783888043).

4786978743957 is a wasteful number, since it uses less digits than its factorization.

4786978743957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31076683.

The product of its digits is 17923368960, while the sum is 84.

The spelling of 4786978743957 in words is "four trillion, seven hundred eighty-six billion, nine hundred seventy-eight million, seven hundred forty-three thousand, nine hundred fifty-seven".