76978627 has 12 divisors (see below), whose sum is σ = 85694560. Its totient is φ = 69086160.

The previous prime is 76978619. The next prime is 76978661. The reversal of 76978627 is 72687967.

It is a happy number.

It is not a de Polignac number, because 76978627 - 2³ = 76978619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76978667) 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 11 ways as a sum of consecutive naturals, for example, 5533 + ... + 13585.

Almost surely, 2^76978627 is an apocalyptic number.

76978627 is a deficient number, since it is larger than the sum of its proper divisors (8715933).

76978627 is a wasteful number, since it uses less digits than its factorization.

76978627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154 (or 8143 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 52.

The square root of 76978627 is about 8773.7464631707. The cubic root of 76978627 is about 425.3927202716.

The spelling of 76978627 in words is "seventy-six million, nine hundred seventy-eight thousand, six hundred twenty-seven".