86101998 has 16 divisors (see below), whose sum is σ = 175453776. Its totient is φ = 28159040.

The previous prime is 86101969. The next prime is 86102017. The reversal of 86101998 is 89910168.

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, 135063 + ... + 135698.

It is an arithmetic number, because the mean of its divisors is an integer number (10965861).

Almost surely, 2^86101998 is an apocalyptic number.

86101998 is an abundant number, since it is smaller than the sum of its proper divisors (89351778).

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

86101998 is a wasteful number, since it uses less digits than its factorization.

86101998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270819.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 86101998 is about 9279.1162294693. The cubic root of 86101998 is about 441.5749310524.

The spelling of 86101998 in words is "eighty-six million, one hundred one thousand, nine hundred ninety-eight".