83664125 has 16 divisors (see below), whose sum is σ = 109911360. Its totient is φ = 63406800.

The previous prime is 83664121. The next prime is 83664131. The reversal of 83664125 is 52146638.

It is not a de Polignac number, because 83664125 - 2² = 83664121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83664121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15239 + ... + 19988.

It is an arithmetic number, because the mean of its divisors is an integer number (6869460).

Almost surely, 2^83664125 is an apocalyptic number.

It is an amenable number.

83664125 is a deficient number, since it is larger than the sum of its proper divisors (26247235).

83664125 is a wasteful number, since it uses less digits than its factorization.

83664125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35261 (or 35251 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 83664125 is about 9146.8095530628. The cubic root of 83664125 is about 437.3674156067.

The spelling of 83664125 in words is "eighty-three million, six hundred sixty-four thousand, one hundred twenty-five".