85466590 has 16 divisors (see below), whose sum is σ = 167825520. Its totient is φ = 31078720.

The previous prime is 85466569. The next prime is 85466629. The reversal of 85466590 is 9566458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388375 + ... + 388594.

It is an arithmetic number, because the mean of its divisors is an integer number (10489095).

Almost surely, 2^85466590 is an apocalyptic number.

85466590 is a deficient number, since it is larger than the sum of its proper divisors (82358930).

85466590 is a wasteful number, since it uses less digits than its factorization.

85466590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776987.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 85466590 is about 9244.8142220382. The cubic root of 85466590 is about 440.4860159882.

The spelling of 85466590 in words is "eighty-five million, four hundred sixty-six thousand, five hundred ninety".