86194825 has 12 divisors (see below), whose sum is σ = 107095948. Its totient is φ = 68817600.

The previous prime is 86194733. The next prime is 86194837. The reversal of 86194825 is 52849168.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20736 + 86174089 = 144^2 + 9283^2 .

It is a de Polignac number, because none of the positive numbers 2^k-86194825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10339 + ... + 16711.

Almost surely, 2^86194825 is an apocalyptic number.

It is an amenable number.

86194825 is a deficient number, since it is larger than the sum of its proper divisors (20901123).

86194825 is a wasteful number, since it uses less digits than its factorization.

86194825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6924 (or 6919 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 86194825 is about 9284.1168131384. The cubic root of 86194825 is about 441.7335621153.

The spelling of 86194825 in words is "eighty-six million, one hundred ninety-four thousand, eight hundred twenty-five".