85663472 has 20 divisors (see below), whose sum is σ = 166164960. Its totient is φ = 42782208.

The previous prime is 85663471. The next prime is 85663483. The reversal of 85663472 is 27436658.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85663471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14048 + ... + 19200.

It is an arithmetic number, because the mean of its divisors is an integer number (8308248).

Almost surely, 2^85663472 is an apocalyptic number.

It is an amenable number.

85663472 is a deficient number, since it is larger than the sum of its proper divisors (80501488).

85663472 is a wasteful number, since it uses less digits than its factorization.

85663472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200 (or 6194 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 85663472 is about 9255.4563366697. The cubic root of 85663472 is about 440.8239931253.

The spelling of 85663472 in words is "eighty-five million, six hundred sixty-three thousand, four hundred seventy-two".