76886887 has 16 divisors (see below), whose sum is σ = 96175872. Its totient is φ = 59713920.

The previous prime is 76886857. The next prime is 76886891. The reversal of 76886887 is 78868867.

It is not a de Polignac number, because 76886887 - 2¹⁵ = 76854119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76886837) 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, 24468 + ... + 27430.

It is an arithmetic number, because the mean of its divisors is an integer number (6010992).

Almost surely, 2^76886887 is an apocalyptic number.

76886887 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

76886887 is a deficient number, since it is larger than the sum of its proper divisors (19288985).

76886887 is a wasteful number, since it uses less digits than its factorization.

76886887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318.

The product of its digits is 7225344, while the sum is 58.

The square root of 76886887 is about 8768.5168073056. The cubic root of 76886887 is about 425.2236645092.

The spelling of 76886887 in words is "seventy-six million, eight hundred eighty-six thousand, eight hundred eighty-seven".