86091258 has 24 divisors (see below), whose sum is σ = 189260064. Its totient is φ = 26088040.

The previous prime is 86091241. The next prime is 86091259. The reversal of 86091258 is 85219068.

It is not an unprimeable number, because it can be changed into a prime (86091259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58566 + ... + 60017.

It is an arithmetic number, because the mean of its divisors is an integer number (7885836).

Almost surely, 2^86091258 is an apocalyptic number.

86091258 is an abundant number, since it is smaller than the sum of its proper divisors (103168806).

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

86091258 is a wasteful number, since it uses less digits than its factorization.

86091258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118610 (or 118599 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 86091258 is about 9278.5374925146. The cubic root of 86091258 is about 441.5565702242.

The spelling of 86091258 in words is "eighty-six million, ninety-one thousand, two hundred fifty-eight".