76959987 has 16 divisors (see below), whose sum is σ = 111219360. Its totient is φ = 47054592.

The previous prime is 76959977. The next prime is 76959989. The reversal of 76959987 is 78995967.

It is not a de Polignac number, because 76959987 - 2⁶ = 76959923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76959987.

It is not an unprimeable number, because it can be changed into a prime (76959989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (6951210).

Almost surely, 2^76959987 is an apocalyptic number.

76959987 is a deficient number, since it is larger than the sum of its proper divisors (34259373).

76959987 is a wasteful number, since it uses less digits than its factorization.

76959987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742.

The product of its digits is 8573040, while the sum is 60.

The square root of 76959987 is about 8772.6841388483. The cubic root of 76959987 is about 425.3583819073.

The spelling of 76959987 in words is "seventy-six million, nine hundred fifty-nine thousand, nine hundred eighty-seven".