86964925 has 6 divisors (see below), whose sum is σ = 107836538. Its totient is φ = 69571920.

The previous prime is 86964883. The next prime is 86964929. The reversal of 86964925 is 52946968.

It can be written as a sum of positive squares in 3 ways, for example, as 13039321 + 73925604 = 3611^2 + 8598^2 .

It is not a de Polignac number, because 86964925 - 2⁹ = 86964413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86964929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1739274 + ... + 1739323.

Almost surely, 2^86964925 is an apocalyptic number.

It is an amenable number.

86964925 is a deficient number, since it is larger than the sum of its proper divisors (20871613).

86964925 is a wasteful number, since it uses less digits than its factorization.

86964925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478607 (or 3478602 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 86964925 is about 9325.4986461851. The cubic root of 86964925 is about 443.0452066574.

The spelling of 86964925 in words is "eighty-six million, nine hundred sixty-four thousand, nine hundred twenty-five".