77485264 has 20 divisors (see below), whose sum is σ = 150470404. Its totient is φ = 38654208.

The previous prime is 77485253. The next prime is 77485273. The reversal of 77485264 is 46258477.

It can be written as a sum of positive squares in 2 ways, for example, as 31136400 + 46348864 = 5580^2 + 6808^2 .

It is a super-2 number, since 2×77485264² = 12007932274299392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77485264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014 + ... + 12610.

Almost surely, 2^77485264 is an apocalyptic number.

It is an amenable number.

77485264 is a deficient number, since it is larger than the sum of its proper divisors (72985140).

77485264 is a wasteful number, since it uses less digits than its factorization.

77485264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062 (or 11056 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 77485264 is about 8802.5714424820. The cubic root of 77485264 is about 426.3239250530.

The spelling of 77485264 in words is "seventy-seven million, four hundred eighty-five thousand, two hundred sixty-four".