86880999 has 16 divisors (see below), whose sum is σ = 124040160. Its totient is φ = 53898240.

The previous prime is 86880991. The next prime is 86881001. The reversal of 86880999 is 99908868.

It is not a de Polignac number, because 86880999 - 2³ = 86880991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86880991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5032 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (7752510).

Almost surely, 2^86880999 is an apocalyptic number.

86880999 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

86880999 is a deficient number, since it is larger than the sum of its proper divisors (37159161).

86880999 is a wasteful number, since it uses less digits than its factorization.

86880999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250.

The product of its (nonzero) digits is 2239488, while the sum is 57.

The square root of 86880999 is about 9320.9977470226. The cubic root of 86880999 is about 442.9026396793.

The spelling of 86880999 in words is "eighty-six million, eight hundred eighty thousand, nine hundred ninety-nine".