76664231 has 8 divisors (see below), whose sum is σ = 87895200. Its totient is φ = 65503008.

The previous prime is 76664177. The next prime is 76664233. The reversal of 76664231 is 13246667.

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 76664231 - 2¹⁰ = 76663207 is a prime.

It is a super-2 number, since 2×76664231² = 11754808629642722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76664191 and 76664200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76664233) 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, 15056 + ... + 19493.

It is an arithmetic number, because the mean of its divisors is an integer number (10986900).

Almost surely, 2^76664231 is an apocalyptic number.

76664231 is a deficient number, since it is larger than the sum of its proper divisors (11230969).

76664231 is a wasteful number, since it uses less digits than its factorization.

76664231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34873.

The product of its digits is 36288, while the sum is 35.

The square root of 76664231 is about 8755.8112702365. The cubic root of 76664231 is about 424.8128006015.

The spelling of 76664231 in words is "seventy-six million, six hundred sixty-four thousand, two hundred thirty-one".