76981165 has 8 divisors (see below), whose sum is σ = 92424960. Its totient is φ = 61553232.

The previous prime is 76981147. The next prime is 76981169. The reversal of 76981165 is 56118967.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76981165 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76981169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14776 + ... + 19294.

It is an arithmetic number, because the mean of its divisors is an integer number (11553120).

Almost surely, 2^76981165 is an apocalyptic number.

It is an amenable number.

76981165 is a deficient number, since it is larger than the sum of its proper divisors (15443795).

76981165 is a wasteful number, since it uses less digits than its factorization.

76981165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931.

The product of its digits is 90720, while the sum is 43.

The square root of 76981165 is about 8773.8910980249. The cubic root of 76981165 is about 425.3973953133.

The spelling of 76981165 in words is "seventy-six million, nine hundred eighty-one thousand, one hundred sixty-five".