85569974 has 24 divisors (see below), whose sum is σ = 153352800. Its totient is φ = 35680176.

The previous prime is 85569961. The next prime is 85569983. The reversal of 85569974 is 47996558.

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, 8174 + ... + 15425.

It is an arithmetic number, because the mean of its divisors is an integer number (6389700).

Almost surely, 2^85569974 is an apocalyptic number.

85569974 is a deficient number, since it is larger than the sum of its proper divisors (67782826).

85569974 is a wasteful number, since it uses less digits than its factorization.

85569974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23652 (or 23645 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The square root of 85569974 is about 9250.4039911779. The cubic root of 85569974 is about 440.6635545896.

The spelling of 85569974 in words is "eighty-five million, five hundred sixty-nine thousand, nine hundred seventy-four".