77264352660 has 48 divisors (see below), whose sum is σ = 236007479232. Its totient is φ = 18730752000.

The previous prime is 77264352653. The next prime is 77264352677. The reversal of 77264352660 is 6625346277.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58532941 + ... + 58534260.

It is an arithmetic number, because the mean of its divisors is an integer number (4916822484).

Almost surely, 2^77264352660 is an apocalyptic number.

It is an amenable number.

77264352660 is an abundant number, since it is smaller than the sum of its proper divisors (158743126572).

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

77264352660 is a wasteful number, since it uses less digits than its factorization.

77264352660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117067224 (or 117067222 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

It can be divided in two parts, 77264 and 352660, that added together give a palindrome (429924).

The spelling of 77264352660 in words is "seventy-seven billion, two hundred sixty-four million, three hundred fifty-two thousand, six hundred sixty".