85512204 has 18 divisors (see below), whose sum is σ = 216155940. Its totient is φ = 28504056.

The previous prime is 85512199. The next prime is 85512209. The reversal of 85512204 is 40221558.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85512199) and next prime (85512209).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (85512209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1187634 + ... + 1187705.

Almost surely, 2^85512204 is an apocalyptic number.

It is an amenable number.

85512204 is an abundant number, since it is smaller than the sum of its proper divisors (130643736).

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

85512204 is a wasteful number, since it uses less digits than its factorization.

85512204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375349 (or 2375344 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 85512204 is about 9247.2808976477. The cubic root of 85512204 is about 440.5643653398.

The spelling of 85512204 in words is "eighty-five million, five hundred twelve thousand, two hundred four".