76994231 has 2 divisors, whose sum is σ = 76994232. Its totient is φ = 76994230.

The previous prime is 76994171. The next prime is 76994237. The reversal of 76994231 is 13249967.

It is a strong prime.

It is an emirp because it is prime and its reverse (13249967) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76994231 is a prime.

It is a super-2 number, since 2×76994231² = 11856223214562722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76994237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38497115 + 38497116.

It is an arithmetic number, because the mean of its divisors is an integer number (38497116).

Almost surely, 2^76994231 is an apocalyptic number.

76994231 is a deficient number, since it is larger than the sum of its proper divisors (1).

76994231 is an equidigital number, since it uses as much as digits as its factorization.

76994231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 76994231 is about 8774.6356619520. The cubic root of 76994231 is about 425.4214614942.

The spelling of 76994231 in words is "seventy-six million, nine hundred ninety-four thousand, two hundred thirty-one".