76236173138231 has 2 divisors, whose sum is σ = 76236173138232. Its totient is φ = 76236173138230.

The previous prime is 76236173138197. The next prime is 76236173138291. The reversal of 76236173138231 is 13283137163267.

It is a weak prime.

It is an emirp because it is prime and its reverse (13283137163267) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76236173138231 is a prime.

It is a super-2 number, since 2×76236173138231² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76236173138291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38118086569115 + 38118086569116.

It is an arithmetic number, because the mean of its divisors is an integer number (38118086569116).

Almost surely, 2^{76236173138231} is an apocalyptic number.

76236173138231 is a deficient number, since it is larger than the sum of its proper divisors (1).

76236173138231 is an equidigital number, since it uses as much as digits as its factorization.

76236173138231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 53.

The spelling of 76236173138231 in words is "seventy-six trillion, two hundred thirty-six billion, one hundred seventy-three million, one hundred thirty-eight thousand, two hundred thirty-one".