77338312 has 32 divisors (see below), whose sum is σ = 150232320. Its totient is φ = 37300480.

The previous prime is 77338309. The next prime is 77338363. The reversal of 77338312 is 21383377.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25248 + ... + 28144.

It is an arithmetic number, because the mean of its divisors is an integer number (4694760).

Almost surely, 2^77338312 is an apocalyptic number.

It is an amenable number.

77338312 is a deficient number, since it is larger than the sum of its proper divisors (72894008).

77338312 is a wasteful number, since it uses less digits than its factorization.

77338312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3017 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 77338312 is about 8794.2203747689. The cubic root of 77338312 is about 426.0542445270.

The spelling of 77338312 in words is "seventy-seven million, three hundred thirty-eight thousand, three hundred twelve".