77540676 has 48 divisors (see below), whose sum is σ = 186617088. Its totient is φ = 25043200.

The previous prime is 77540657. The next prime is 77540707. The reversal of 77540676 is 67604577.

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 in 15 ways as a sum of consecutive naturals, for example, 84661 + ... + 85571.

It is an arithmetic number, because the mean of its divisors is an integer number (3887856).

Almost surely, 2^77540676 is an apocalyptic number.

It is an amenable number.

77540676 is an abundant number, since it is smaller than the sum of its proper divisors (109076412).

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

77540676 is a wasteful number, since it uses less digits than its factorization.

77540676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 77540676 is about 8805.7183693325. The cubic root of 77540676 is about 426.4255264460.

The spelling of 77540676 in words is "seventy-seven million, five hundred forty thousand, six hundred seventy-six".