77540804 has 24 divisors (see below), whose sum is σ = 150123456. Its totient is φ = 34748000.

The previous prime is 77540803. The next prime is 77540807. The reversal of 77540804 is 40804577.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77540803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9287 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (6255144).

Almost surely, 2^77540804 is an apocalyptic number.

It is an amenable number.

77540804 is a deficient number, since it is larger than the sum of its proper divisors (72582652).

77540804 is a wasteful number, since it uses less digits than its factorization.

77540804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24907 (or 24905 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 77540804 is about 8805.7256373339. The cubic root of 77540804 is about 426.4257610861.

The spelling of 77540804 in words is "seventy-seven million, five hundred forty thousand, eight hundred four".