75828391056 has 120 divisors (see below), whose sum is σ = 240080821344. Its totient is φ = 22978287360.

The previous prime is 75828391019. The next prime is 75828391063. The reversal of 75828391056 is 65019382857.

75828391056 is a `hidden beast` number, since 7 + 582 + 8 + 3 + 9 + 1 + 0 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 75828390993 and 75828391011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843741 + ... + 929276.

Almost surely, 2^75828391056 is an apocalyptic number.

It is an amenable number.

75828391056 is an abundant number, since it is smaller than the sum of its proper divisors (164252430288).

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

75828391056 is a wasteful number, since it uses less digits than its factorization.

75828391056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773051 (or 1773033 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 75828391056 in words is "seventy-five billion, eight hundred twenty-eight million, three hundred ninety-one thousand, fifty-six".