77713164 has 18 divisors (see below), whose sum is σ = 196441700. Its totient is φ = 25904376.

The previous prime is 77713123. The next prime is 77713177. The reversal of 77713164 is 46131777.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2158699 = 77713164 / (7 + 7 + 7 + 1 + 3 + 1 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1079314 + ... + 1079385.

Almost surely, 2^77713164 is an apocalyptic number.

It is an amenable number.

77713164 is an abundant number, since it is smaller than the sum of its proper divisors (118728536).

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

77713164 is a wasteful number, since it uses less digits than its factorization.

77713164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158709 (or 2158704 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 77713164 is about 8815.5070188844. The cubic root of 77713164 is about 426.7414845467.

It can be divided in two parts, 77713 and 164, that added together give a palindrome (77877).

The spelling of 77713164 in words is "seventy-seven million, seven hundred thirteen thousand, one hundred sixty-four".