86377825 has 6 divisors (see below), whose sum is σ = 107108534. Its totient is φ = 69102240.

The previous prime is 86377817. The next prime is 86377831. The reversal of 86377825 is 52877368.

It can be written as a sum of positive squares in 3 ways, for example, as 12967201 + 73410624 = 3601^2 + 8568^2 .

It is not a de Polignac number, because 86377825 - 2³ = 86377817 is a prime.

It is a super-2 number, since 2×86377825² = 14922257303461250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1727532 + ... + 1727581.

Almost surely, 2^86377825 is an apocalyptic number.

It is an amenable number.

86377825 is a deficient number, since it is larger than the sum of its proper divisors (20730709).

86377825 is a wasteful number, since it uses less digits than its factorization.

86377825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455123 (or 3455118 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 86377825 is about 9293.9671292726. The cubic root of 86377825 is about 442.0459555829.

The spelling of 86377825 in words is "eighty-six million, three hundred seventy-seven thousand, eight hundred twenty-five".