86949825 has 24 divisors (see below), whose sum is σ = 144136608. Its totient is φ = 46250880.

The previous prime is 86949817. The next prime is 86949847. The reversal of 86949825 is 52894968.

It is not a de Polignac number, because 86949825 - 2³ = 86949817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31917 + ... + 34533.

It is an arithmetic number, because the mean of its divisors is an integer number (6005692).

Almost surely, 2^86949825 is an apocalyptic number.

It is an amenable number.

86949825 is a deficient number, since it is larger than the sum of its proper divisors (57186783).

86949825 is a wasteful number, since it uses less digits than its factorization.

86949825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073 (or 3068 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 86949825 is about 9324.6890028569. The cubic root of 86949825 is about 443.0195627177.

The spelling of 86949825 in words is "eighty-six million, nine hundred forty-nine thousand, eight hundred twenty-five".