85583690 has 32 divisors (see below), whose sum is σ = 161965440. Its totient is φ = 32497344.

The previous prime is 85583681. The next prime is 85583737. The reversal of 85583690 is 9638558.

It is a super-2 number, since 2×85583690² = 14649135988032200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30632 + ... + 33308.

It is an arithmetic number, because the mean of its divisors is an integer number (5061420).

Almost surely, 2^85583690 is an apocalyptic number.

85583690 is a deficient number, since it is larger than the sum of its proper divisors (76381750).

85583690 is a wasteful number, since it uses less digits than its factorization.

85583690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 85583690 is about 9251.1453344978. The cubic root of 85583690 is about 440.6870979663.

The spelling of 85583690 in words is "eighty-five million, five hundred eighty-three thousand, six hundred ninety".