85563412 has 24 divisors (see below), whose sum is σ = 166434912. Its totient is φ = 38157600.

The previous prime is 85563407. The next prime is 85563437. The reversal of 85563412 is 21436558.

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, 16014 + ... + 20677.

It is an arithmetic number, because the mean of its divisors is an integer number (6934788).

Almost surely, 2^85563412 is an apocalyptic number.

It is an amenable number.

85563412 is a deficient number, since it is larger than the sum of its proper divisors (80871500).

85563412 is a wasteful number, since it uses less digits than its factorization.

85563412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36759 (or 36757 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 85563412 is about 9250.0492971659. The cubic root of 85563412 is about 440.6522900925.

The spelling of 85563412 in words is "eighty-five million, five hundred sixty-three thousand, four hundred twelve".