85567725 has 48 divisors (see below), whose sum is σ = 158769600. Its totient is φ = 45178560.

The previous prime is 85567711. The next prime is 85567733. The reversal of 85567725 is 52776558.

85567725 is a `hidden beast` number, since 8 + 556 + 77 + 25 = 666.

It is not a de Polignac number, because 85567725 - 2⁵ = 85567693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72994 + ... + 74156.

It is an arithmetic number, because the mean of its divisors is an integer number (3307700).

Almost surely, 2^85567725 is an apocalyptic number.

It is an amenable number.

85567725 is a deficient number, since it is larger than the sum of its proper divisors (73201875).

85567725 is a wasteful number, since it uses less digits than its factorization.

85567725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1280 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 85567725 is about 9250.2824281208. The cubic root of 85567725 is about 440.6596939635.

The spelling of 85567725 in words is "eighty-five million, five hundred sixty-seven thousand, seven hundred twenty-five".