77927164 has 24 divisors (see below), whose sum is σ = 158184320. Its totient is φ = 32898096.

The previous prime is 77927131. The next prime is 77927177. The reversal of 77927164 is 46172977.

It is a self number, because there is not a number n which added to its sum of digits gives 77927164.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18894 + ... + 22645.

Almost surely, 2^77927164 is an apocalyptic number.

It is an amenable number.

77927164 is an abundant number, since it is smaller than the sum of its proper divisors (80257156).

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

77927164 is a wasteful number, since it uses less digits than its factorization.

77927164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41617 (or 41615 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 77927164 is about 8827.6363767432. The cubic root of 77927164 is about 427.1328338601.

The spelling of 77927164 in words is "seventy-seven million, nine hundred twenty-seven thousand, one hundred sixty-four".