86866998 has 64 divisors (see below), whose sum is σ = 189112320. Its totient is φ = 26530592.

The previous prime is 86866981. The next prime is 86867003. The reversal of 86866998 is 89966868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382561 + ... + 382787.

It is an arithmetic number, because the mean of its divisors is an integer number (2954880).

Almost surely, 2^86866998 is an apocalyptic number.

86866998 is an abundant number, since it is smaller than the sum of its proper divisors (102245322).

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

86866998 is a wasteful number, since it uses less digits than its factorization.

86866998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 8957952, while the sum is 60.

The square root of 86866998 is about 9320.2466705555. The cubic root of 86866998 is about 442.8788469319.

The spelling of 86866998 in words is "eighty-six million, eight hundred sixty-six thousand, nine hundred ninety-eight".