85508825 has 12 divisors (see below), whose sum is σ = 110641728. Its totient is φ = 65432400.

The previous prime is 85508807. The next prime is 85508831. The reversal of 85508825 is 52880558.

It is not a de Polignac number, because 85508825 - 2¹⁰ = 85507801 is a prime.

It is a Duffinian 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, 73781 + ... + 74930.

It is an arithmetic number, because the mean of its divisors is an integer number (9220144).

Almost surely, 2^85508825 is an apocalyptic number.

It is an amenable number.

85508825 is a deficient number, since it is larger than the sum of its proper divisors (25132903).

85508825 is a wasteful number, since it uses less digits than its factorization.

85508825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148744 (or 148739 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 85508825 is about 9247.0981934875. The cubic root of 85508825 is about 440.5585623217.

The spelling of 85508825 in words is "eighty-five million, five hundred eight thousand, eight hundred twenty-five".