89631812862 has 48 divisors (see below), whose sum is σ = 202045489152. Its totient is φ = 28685800080.

The previous prime is 89631812813. The next prime is 89631812867. The reversal of 89631812862 is 26821813698.

It is a junction number, because it is equal to n+sod(n) for n = 89631812799 and 89631812808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89631812867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561538 + ... + 703269.

It is an arithmetic number, because the mean of its divisors is an integer number (4209281024).

Almost surely, 2^89631812862 is an apocalyptic number.

89631812862 is an abundant number, since it is smaller than the sum of its proper divisors (112413676290).

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

89631812862 is a wasteful number, since it uses less digits than its factorization.

89631812862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264973 (or 1264970 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 89631812862 in words is "eighty-nine billion, six hundred thirty-one million, eight hundred twelve thousand, eight hundred sixty-two".