86913189 has 32 divisors (see below), whose sum is σ = 141033600. Its totient is φ = 52462080.

The previous prime is 86913179. The next prime is 86913247. The reversal of 86913189 is 98131968.

It is not a de Polignac number, because 86913189 - 2¹¹ = 86911141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86913109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104427 + ... + 105255.

It is an arithmetic number, because the mean of its divisors is an integer number (4407300).

Almost surely, 2^86913189 is an apocalyptic number.

It is an amenable number.

86913189 is a deficient number, since it is larger than the sum of its proper divisors (54120411).

86913189 is a wasteful number, since it uses less digits than its factorization.

86913189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1196 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 86913189 is about 9322.7243335840. The cubic root of 86913189 is about 442.9573324036.

The spelling of 86913189 in words is "eighty-six million, nine hundred thirteen thousand, one hundred eighty-nine".