77025764 has 6 divisors (see below), whose sum is σ = 134795094. Its totient is φ = 38512880.

The previous prime is 77025733. The next prime is 77025779. The reversal of 77025764 is 46752077.

It can be written as a sum of positive squares in only one way, i.e., 51724864 + 25300900 = 7192^2 + 5030^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9628217 + ... + 9628224.

It is an arithmetic number, because the mean of its divisors is an integer number (22465849).

Almost surely, 2^77025764 is an apocalyptic number.

It is an amenable number.

77025764 is a deficient number, since it is larger than the sum of its proper divisors (57769330).

77025764 is a wasteful number, since it uses less digits than its factorization.

77025764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19256445 (or 19256443 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 77025764 is about 8776.4323047580. The cubic root of 77025764 is about 425.4795307107.

The spelling of 77025764 in words is "seventy-seven million, twenty-five thousand, seven hundred sixty-four".