86920086 has 16 divisors (see below), whose sum is σ = 189643968. Its totient is φ = 26339400.

The previous prime is 86920069. The next prime is 86920109. The reversal of 86920086 is 68002968.

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, 658420 + ... + 658551.

It is an arithmetic number, because the mean of its divisors is an integer number (11852748).

Almost surely, 2^86920086 is an apocalyptic number.

86920086 is an abundant number, since it is smaller than the sum of its proper divisors (102723882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86920086 is a wasteful number, since it uses less digits than its factorization.

86920086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316987.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 86920086 is about 9323.0942288491. The cubic root of 86920086 is about 442.9690490600.

The spelling of 86920086 in words is "eighty-six million, nine hundred twenty thousand, eighty-six".