86158220 has 24 divisors (see below), whose sum is σ = 185347008. Its totient is φ = 33622400.

The previous prime is 86158211. The next prime is 86158229. The reversal of 86158220 is 2285168.

It is an interprime number because it is at equal distance from previous prime (86158211) and next prime (86158229).

Together with 99188788 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (86158229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51716 + ... + 53355.

It is an arithmetic number, because the mean of its divisors is an integer number (7722792).

Almost surely, 2^86158220 is an apocalyptic number.

It is an amenable number.

86158220 is an abundant number, since it is smaller than the sum of its proper divisors (99188788).

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

86158220 is a wasteful number, since it uses less digits than its factorization.

86158220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105121 (or 105119 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 86158220 is about 9282.1452261856. The cubic root of 86158220 is about 441.6710218312.

The spelling of 86158220 in words is "eighty-six million, one hundred fifty-eight thousand, two hundred twenty".