87906986 has 8 divisors (see below), whose sum is σ = 132551424. Its totient is φ = 43723180.

The previous prime is 87906971. The next prime is 87906997. The reversal of 87906986 is 68960978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114680 + ... + 115443.

It is an arithmetic number, because the mean of its divisors is an integer number (16568928).

Almost surely, 2^87906986 is an apocalyptic number.

87906986 is a deficient number, since it is larger than the sum of its proper divisors (44644438).

87906986 is a wasteful number, since it uses less digits than its factorization.

87906986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230316.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 87906986 is about 9375.8725460620. The cubic root of 87906986 is about 444.6392497733.

The spelling of 87906986 in words is "eighty-seven million, nine hundred six thousand, nine hundred eighty-six".