76628667 has 16 divisors (see below), whose sum is σ = 104129280. Its totient is φ = 50114400.

The previous prime is 76628641. The next prime is 76628677. The reversal of 76628667 is 76682667.

It is a happy number.

It is not a de Polignac number, because 76628667 - 2¹⁰ = 76627643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76628677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47992 + ... + 49562.

It is an arithmetic number, because the mean of its divisors is an integer number (6508080).

Almost surely, 2^76628667 is an apocalyptic number.

76628667 is a deficient number, since it is larger than the sum of its proper divisors (27500613).

76628667 is a wasteful number, since it uses less digits than its factorization.

76628667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its digits is 1016064, while the sum is 48.

The square root of 76628667 is about 8753.7801548817. The cubic root of 76628667 is about 424.7471012134.

The spelling of 76628667 in words is "seventy-six million, six hundred twenty-eight thousand, six hundred sixty-seven".