77077264 has 40 divisors (see below), whose sum is σ = 166007232. Its totient is φ = 34369920.

The previous prime is 77077237. The next prime is 77077283. The reversal of 77077264 is 46277077.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5197 + ... + 13459.

Almost surely, 2^77077264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77077264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83003616).

77077264 is an abundant number, since it is smaller than the sum of its proper divisors (88929968).

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

77077264 is a wasteful number, since it uses less digits than its factorization.

77077264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335 (or 8329 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 77077264 is about 8779.3658085308. The cubic root of 77077264 is about 425.5743358467.

The spelling of 77077264 in words is "seventy-seven million, seventy-seven thousand, two hundred sixty-four".