77264964 has 54 divisors (see below), whose sum is σ = 227200974. Its totient is φ = 22075200.

The previous prime is 77264947. The next prime is 77264987. The reversal of 77264964 is 46946277.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 10188864 = 8190^2 + 3192^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20137 + ... + 23664.

Almost surely, 2^77264964 is an apocalyptic number.

It is an amenable number.

77264964 is an abundant number, since it is smaller than the sum of its proper divisors (149936010).

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

77264964 is a wasteful number, since it uses less digits than its factorization.

77264964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43825 (or 43813 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 77264964 is about 8790.0491466203. The cubic root of 77264964 is about 425.9195113424.

The spelling of 77264964 in words is "seventy-seven million, two hundred sixty-four thousand, nine hundred sixty-four".