86513994 has 160 divisors (see below), whose sum is σ = 240869376. Its totient is φ = 22667040.

The previous prime is 86513983. The next prime is 86514053. The reversal of 86513994 is 49931568.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 808489 + ... + 808595.

Almost surely, 2^86513994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86513994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120434688).

86513994 is an abundant number, since it is smaller than the sum of its proper divisors (154355382).

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

86513994 is a wasteful number, since it uses less digits than its factorization.

86513994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 173 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 86513994 is about 9301.2899105447. The cubic root of 86513994 is about 442.2781191554.

The spelling of 86513994 in words is "eighty-six million, five hundred thirteen thousand, nine hundred ninety-four".