86131798 has 8 divisors (see below), whose sum is σ = 133652880. Its totient is φ = 41580840.

The previous prime is 86131789. The next prime is 86131813. The reversal of 86131798 is 89713168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742458 + ... + 742573.

It is an arithmetic number, because the mean of its divisors is an integer number (16706610).

Almost surely, 2^86131798 is an apocalyptic number.

86131798 is a deficient number, since it is larger than the sum of its proper divisors (47521082).

86131798 is a wasteful number, since it uses less digits than its factorization.

86131798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485062.

The product of its digits is 72576, while the sum is 43.

The square root of 86131798 is about 9280.7218469255. The cubic root of 86131798 is about 441.6258683726.

The spelling of 86131798 in words is "eighty-six million, one hundred thirty-one thousand, seven hundred ninety-eight".