87866877 has 16 divisors (see below), whose sum is σ = 139714560. Its totient is φ = 48026352.

The previous prime is 87866851. The next prime is 87866899. The reversal of 87866877 is 77866878.

It is not a de Polignac number, because 87866877 - 2²⁰ = 86818301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87866837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90477 + ... + 91442.

It is an arithmetic number, because the mean of its divisors is an integer number (8732160).

Almost surely, 2^87866877 is an apocalyptic number.

It is an amenable number.

87866877 is a deficient number, since it is larger than the sum of its proper divisors (51847683).

87866877 is a wasteful number, since it uses less digits than its factorization.

87866877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181952.

The product of its digits is 6322176, while the sum is 57.

The square root of 87866877 is about 9373.7333544325. The cubic root of 87866877 is about 444.5716148426.

Subtracting from 87866877 its reverse (77866878), we obtain a palindrome (9999999).

The spelling of 87866877 in words is "eighty-seven million, eight hundred sixty-six thousand, eight hundred seventy-seven".