75469977996456 has 32 divisors (see below), whose sum is σ = 188675158838400. Its totient is φ = 25156630819200.

The previous prime is 75469977996407. The next prime is 75469977996499. The reversal of 75469977996456 is 65469977996457.

It is a self number, because there is not a number n which added to its sum of digits gives 75469977996456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37553940 + ... + 39512508.

It is an arithmetic number, because the mean of its divisors is an integer number (5896098713700).

Almost surely, 2^{75469977996456} is an apocalyptic number.

It is an amenable number.

75469977996456 is an abundant number, since it is smaller than the sum of its proper divisors (113205180841944).

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

75469977996456 is a wasteful number, since it uses less digits than its factorization.

75469977996456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564129 (or 3564125 counting only the distinct ones).

The product of its digits is 194436547200, while the sum is 93.

Subtracting from 75469977996456 its reverse (65469977996457), we obtain a palindrome (9999999999999).

The spelling of 75469977996456 in words is "seventy-five trillion, four hundred sixty-nine billion, nine hundred seventy-seven million, nine hundred ninety-six thousand, four hundred fifty-six".