86966825 has 12 divisors (see below), whose sum is σ = 117642768. Its totient is φ = 63248400.

The previous prime is 86966821. The next prime is 86966827. The reversal of 86966825 is 52866968.

It is not a de Polignac number, because 86966825 - 2² = 86966821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86966821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157847 + ... + 158396.

It is an arithmetic number, because the mean of its divisors is an integer number (9803564).

Almost surely, 2^86966825 is an apocalyptic number.

It is an amenable number.

86966825 is a deficient number, since it is larger than the sum of its proper divisors (30675943).

86966825 is a wasteful number, since it uses less digits than its factorization.

86966825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316264 (or 316259 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 86966825 is about 9325.6005168568. The cubic root of 86966825 is about 443.0484331680.

The spelling of 86966825 in words is "eighty-six million, nine hundred sixty-six thousand, eight hundred twenty-five".