76081231 has 2 divisors, whose sum is σ = 76081232. Its totient is φ = 76081230.

The previous prime is 76081219. The next prime is 76081241. The reversal of 76081231 is 13218067.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76081231 is a prime.

It is a super-2 number, since 2×76081231² = 11576707420950722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76081231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76081211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38040615 + 38040616.

It is an arithmetic number, because the mean of its divisors is an integer number (38040616).

Almost surely, 2^76081231 is an apocalyptic number.

76081231 is a deficient number, since it is larger than the sum of its proper divisors (1).

76081231 is an equidigital number, since it uses as much as digits as its factorization.

76081231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 76081231 is about 8722.4555602193. The cubic root of 76081231 is about 423.7332170530.

Adding to 76081231 its reverse (13218067), we get a palindrome (89299298).

The spelling of 76081231 in words is "seventy-six million, eighty-one thousand, two hundred thirty-one".