76887885 has 16 divisors (see below), whose sum is σ = 123298560. Its totient is φ = 40914240.

The previous prime is 76887883. The next prime is 76887931. The reversal of 76887885 is 58878867.

It is not a de Polignac number, because 76887885 - 2¹ = 76887883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76887883) 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, 1356 + ... + 12474.

It is an arithmetic number, because the mean of its divisors is an integer number (7706160).

Almost surely, 2^76887885 is an apocalyptic number.

It is an amenable number.

76887885 is a deficient number, since it is larger than the sum of its proper divisors (46410675).

76887885 is a wasteful number, since it uses less digits than its factorization.

76887885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588.

The product of its digits is 6021120, while the sum is 57.

The square root of 76887885 is about 8768.5737152629. The cubic root of 76887885 is about 425.2255043174.

The spelling of 76887885 in words is "seventy-six million, eight hundred eighty-seven thousand, eight hundred eighty-five".