87686858 has 16 divisors (see below), whose sum is σ = 150911424. Its totient is φ = 37432320.

The previous prime is 87686849. The next prime is 87686861. The reversal of 87686858 is 85868678.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8588 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (9431964).

Almost surely, 2^87686858 is an apocalyptic number.

87686858 is a deficient number, since it is larger than the sum of its proper divisors (63224566).

87686858 is a wasteful number, since it uses less digits than its factorization.

87686858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24637.

The product of its digits is 5160960, while the sum is 56.

The square root of 87686858 is about 9364.1261204663. The cubic root of 87686858 is about 444.2677989724.

The spelling of 87686858 in words is "eighty-seven million, six hundred eighty-six thousand, eight hundred fifty-eight".