85707925 has 12 divisors (see below), whose sum is σ = 106491076. Its totient is φ = 68428800.

The previous prime is 85707911. The next prime is 85707967. The reversal of 85707925 is 52970758.

It can be written as a sum of positive squares in 6 ways, for example, as 6105841 + 79602084 = 2471^2 + 8922^2 .

It is not a de Polignac number, because 85707925 - 2¹⁷ = 85576853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10357 + ... + 16693.

Almost surely, 2^85707925 is an apocalyptic number.

It is an amenable number.

85707925 is a deficient number, since it is larger than the sum of its proper divisors (20783151).

85707925 is a wasteful number, since it uses less digits than its factorization.

85707925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888 (or 6883 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 85707925 is about 9257.8574735195. The cubic root of 85707925 is about 440.9002316117.

The spelling of 85707925 in words is "eighty-five million, seven hundred seven thousand, nine hundred twenty-five".