86158425 has 24 divisors (see below), whose sum is σ = 145928160. Its totient is φ = 44828800.

The previous prime is 86158421. The next prime is 86158439. The reversal of 86158425 is 52485168.

It is not a de Polignac number, because 86158425 - 2² = 86158421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86158421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10935 + ... + 17084.

It is an arithmetic number, because the mean of its divisors is an integer number (6080340).

Almost surely, 2^86158425 is an apocalyptic number.

It is an amenable number.

86158425 is a deficient number, since it is larger than the sum of its proper divisors (59769735).

86158425 is a wasteful number, since it uses less digits than its factorization.

86158425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28073 (or 28068 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 86158425 is about 9282.1562688849. The cubic root of 86158425 is about 441.6713721266.

The spelling of 86158425 in words is "eighty-six million, one hundred fifty-eight thousand, four hundred twenty-five".