76394987 has 2 divisors, whose sum is σ = 76394988. Its totient is φ = 76394986.

The previous prime is 76394971. The next prime is 76394993. The reversal of 76394987 is 78949367.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76394987 - 2⁴ = 76394971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76394947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38197493 + 38197494.

It is an arithmetic number, because the mean of its divisors is an integer number (38197494).

Almost surely, 2^76394987 is an apocalyptic number.

76394987 is a deficient number, since it is larger than the sum of its proper divisors (1).

76394987 is an equidigital number, since it uses as much as digits as its factorization.

76394987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 76394987 is about 8740.4225870378. The cubic root of 76394987 is about 424.3149045313.

The spelling of 76394987 in words is "seventy-six million, three hundred ninety-four thousand, nine hundred eighty-seven".