76985131 has 8 divisors (see below), whose sum is σ = 81190800. Its totient is φ = 72794880.

The previous prime is 76985113. The next prime is 76985137. The reversal of 76985131 is 13158967.

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

It is a cyclic number.

It is not a de Polignac number, because 76985131 - 2¹⁵ = 76952363 is a prime.

It is a super-2 number, since 2×76985131² = 11853420790174322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76985137) 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, 7251 + ... + 14371.

It is an arithmetic number, because the mean of its divisors is an integer number (10148850).

Almost surely, 2^76985131 is an apocalyptic number.

76985131 is a deficient number, since it is larger than the sum of its proper divisors (4205669).

76985131 is a wasteful number, since it uses less digits than its factorization.

76985131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709.

The product of its digits is 45360, while the sum is 40.

The square root of 76985131 is about 8774.1171065812. The cubic root of 76985131 is about 425.4047005508.

The spelling of 76985131 in words is "seventy-six million, nine hundred eighty-five thousand, one hundred thirty-one".