76372987 has 2 divisors, whose sum is σ = 76372988. Its totient is φ = 76372986.

The previous prime is 76372969. The next prime is 76372991. The reversal of 76372987 is 78927367.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76372987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76372987.

It is not a weakly prime, because it can be changed into another prime (76372937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38186493 + 38186494.

It is an arithmetic number, because the mean of its divisors is an integer number (38186494).

Almost surely, 2^76372987 is an apocalyptic number.

76372987 is a deficient number, since it is larger than the sum of its proper divisors (1).

76372987 is an equidigital number, since it uses as much as digits as its factorization.

76372987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 49.

The square root of 76372987 is about 8739.1639760334. The cubic root of 76372987 is about 424.2741696415.

The spelling of 76372987 in words is "seventy-six million, three hundred seventy-two thousand, nine hundred eighty-seven".