85685374 has 4 divisors (see below), whose sum is σ = 128528064. Its totient is φ = 42842686.

The previous prime is 85685363. The next prime is 85685399. The reversal of 85685374 is 47358658.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21421342 + ... + 21421345.

It is an arithmetic number, because the mean of its divisors is an integer number (32132016).

Almost surely, 2^85685374 is an apocalyptic number.

85685374 is a deficient number, since it is larger than the sum of its proper divisors (42842690).

85685374 is a wasteful number, since it uses less digits than its factorization.

85685374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42842689.

The product of its digits is 806400, while the sum is 46.

The square root of 85685374 is about 9256.6394550074. The cubic root of 85685374 is about 440.8615591347.

The spelling of 85685374 in words is "eighty-five million, six hundred eighty-five thousand, three hundred seventy-four".