89643824986 has 16 divisors (see below), whose sum is σ = 135225185760. Its totient is φ = 44569252080.

The previous prime is 89643824951. The next prime is 89643825059. The reversal of 89643824986 is 68942834698.

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, 246460 + ... + 489928.

It is an arithmetic number, because the mean of its divisors is an integer number (8451574110).

Almost surely, 2^89643824986 is an apocalyptic number.

89643824986 is a deficient number, since it is larger than the sum of its proper divisors (45581360774).

89643824986 is a wasteful number, since it uses less digits than its factorization.

89643824986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244509.

The product of its digits is 143327232, while the sum is 67.

The spelling of 89643824986 in words is "eighty-nine billion, six hundred forty-three million, eight hundred twenty-four thousand, nine hundred eighty-six".