85685502 has 32 divisors (see below), whose sum is σ = 198542592. Its totient is φ = 24145344.

The previous prime is 85685489. The next prime is 85685513. The reversal of 85685502 is 20558658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10908 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (6204456).

Almost surely, 2^85685502 is an apocalyptic number.

85685502 is an abundant number, since it is smaller than the sum of its proper divisors (112857090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85685502 is a wasteful number, since it uses less digits than its factorization.

85685502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28032.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 85685502 is about 9256.6463689611. The cubic root of 85685502 is about 440.8617786597.

The spelling of 85685502 in words is "eighty-five million, six hundred eighty-five thousand, five hundred two".