7775408328156 has 192 divisors, whose sum is σ = 24075599708160. Its totient is φ = 2123713287360.

The previous prime is 7775408328133. The next prime is 7775408328161. The reversal of 7775408328156 is 6518238045777.

It is a happy number.

7775408328156 is a `hidden beast` number, since 7 + 7 + 7 + 540 + 8 + 3 + 2 + 81 + 5 + 6 = 666.

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 = 7775408328093 and 7775408328102.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1016640 + ... + 4072391.

It is an arithmetic number, because the mean of its divisors is an integer number (125393748480).

Almost surely, 2^{7775408328156} is an apocalyptic number.

It is an amenable number.

7775408328156 is an abundant number, since it is smaller than the sum of its proper divisors (16300191380004).

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

7775408328156 is a wasteful number, since it uses less digits than its factorization.

7775408328156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089141 (or 5089133 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 7775408328156 in words is "seven trillion, seven hundred seventy-five billion, four hundred eight million, three hundred twenty-eight thousand, one hundred fifty-six".