86198756 has 48 divisors (see below), whose sum is σ = 181391616. Its totient is φ = 35042304.

The previous prime is 86198747. The next prime is 86198767. The reversal of 86198756 is 65789168.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87740 + ... + 88716.

It is an arithmetic number, because the mean of its divisors is an integer number (3778992).

Almost surely, 2^86198756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86198756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90695808).

86198756 is an abundant number, since it is smaller than the sum of its proper divisors (95192860).

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

86198756 is a wasteful number, since it uses less digits than its factorization.

86198756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1146 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 86198756 is about 9284.3285163764. The cubic root of 86198756 is about 441.7402772448.

The spelling of 86198756 in words is "eighty-six million, one hundred ninety-eight thousand, seven hundred fifty-six".