764475075552 has 24 divisors (see below), whose sum is σ = 2006747073576. Its totient is φ = 254825025152.

The previous prime is 764475075523. The next prime is 764475075563. The reversal of 764475075552 is 255570574467.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×764475075552² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 764475075492 and 764475075501.

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 3 ways as a sum of consecutive naturals, for example, 3981640923 + ... + 3981641114.

It is an arithmetic number, because the mean of its divisors is an integer number (83614461399).

Almost surely, 2^764475075552 is an apocalyptic number.

It is an amenable number.

764475075552 is an abundant number, since it is smaller than the sum of its proper divisors (1242271998024).

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

764475075552 is a wasteful number, since it uses less digits than its factorization.

764475075552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963282050 (or 7963282042 counting only the distinct ones).

The product of its (nonzero) digits is 41160000, while the sum is 57.

The spelling of 764475075552 in words is "seven hundred sixty-four billion, four hundred seventy-five million, seventy-five thousand, five hundred fifty-two".