76231399 has 2 divisors, whose sum is σ = 76231400. Its totient is φ = 76231398.

The previous prime is 76231381. The next prime is 76231411. The reversal of 76231399 is 99313267.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76231399 - 2⁹ = 76230887 is a prime.

It is a super-2 number, since 2×76231399² = 11622452386994402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76231319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38115699 + 38115700.

It is an arithmetic number, because the mean of its divisors is an integer number (38115700).

Almost surely, 2^76231399 is an apocalyptic number.

76231399 is a deficient number, since it is larger than the sum of its proper divisors (1).

76231399 is an equidigital number, since it uses as much as digits as its factorization.

76231399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The square root of 76231399 is about 8731.0594431604. The cubic root of 76231399 is about 424.0118199357.

The spelling of 76231399 in words is "seventy-six million, two hundred thirty-one thousand, three hundred ninety-nine".