85663400 has 48 divisors (see below), whose sum is σ = 209659200. Its totient is φ = 32460480.

The previous prime is 85663397. The next prime is 85663411. The reversal of 85663400 is 436658.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7472 + ... + 15071.

It is an arithmetic number, because the mean of its divisors is an integer number (4367900).

Almost surely, 2^85663400 is an apocalyptic number.

It is an amenable number.

85663400 is an abundant number, since it is smaller than the sum of its proper divisors (123995800).

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

85663400 is a wasteful number, since it uses less digits than its factorization.

85663400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22578 (or 22569 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 85663400 is about 9255.4524470714. The cubic root of 85663400 is about 440.8238696213.

The spelling of 85663400 in words is "eighty-five million, six hundred sixty-three thousand, four hundred".