76768331 has 2 divisors, whose sum is σ = 76768332. Its totient is φ = 76768330.

The previous prime is 76768313. The next prime is 76768387. The reversal of 76768331 is 13386767.

Together with previous prime (76768313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (13386767) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76768331 is a prime.

It is a super-2 number, since 2×76768331² = 11786753289051122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76768831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38384165 + 38384166.

It is an arithmetic number, because the mean of its divisors is an integer number (38384166).

Almost surely, 2^76768331 is an apocalyptic number.

76768331 is a deficient number, since it is larger than the sum of its proper divisors (1).

76768331 is an equidigital number, since it uses as much as digits as its factorization.

76768331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 76768331 is about 8761.7538769358. The cubic root of 76768331 is about 425.0049937130.

The spelling of 76768331 in words is "seventy-six million, seven hundred sixty-eight thousand, three hundred thirty-one".