87683686 has 16 divisors (see below), whose sum is σ = 136033920. Its totient is φ = 42344640.

The previous prime is 87683647. The next prime is 87683719. The reversal of 87683686 is 68638678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40930 + ... + 43018.

It is an arithmetic number, because the mean of its divisors is an integer number (8502120).

Almost surely, 2^87683686 is an apocalyptic number.

87683686 is a deficient number, since it is larger than the sum of its proper divisors (48350234).

87683686 is a wasteful number, since it uses less digits than its factorization.

87683686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799.

The product of its digits is 2322432, while the sum is 52.

The square root of 87683686 is about 9363.9567491526. The cubic root of 87683686 is about 444.2624419004.

The spelling of 87683686 in words is "eighty-seven million, six hundred eighty-three thousand, six hundred eighty-six".