75755077464 has 32 divisors (see below), whose sum is σ = 206604757440. Its totient is φ = 22956084000.

The previous prime is 75755077457. The next prime is 75755077481. The reversal of 75755077464 is 46477055757.

It is a congruent number.

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, 143475262 + ... + 143475789.

It is an arithmetic number, because the mean of its divisors is an integer number (6456398670).

Almost surely, 2^75755077464 is an apocalyptic number.

It is an amenable number.

75755077464 is an abundant number, since it is smaller than the sum of its proper divisors (130849679976).

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

75755077464 is a wasteful number, since it uses less digits than its factorization.

75755077464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286951071 (or 286951067 counting only the distinct ones).

The product of its (nonzero) digits is 28812000, while the sum is 57.

The spelling of 75755077464 in words is "seventy-five billion, seven hundred fifty-five million, seventy-seven thousand, four hundred sixty-four".