89744447156 has 48 divisors (see below), whose sum is σ = 193358484480. Its totient is φ = 35491772160.

The previous prime is 89744447131. The next prime is 89744447167. The reversal of 89744447156 is 65174444798.

It is a junction number, because it is equal to n+sod(n) for n = 89744447095 and 89744447104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129661 + ... + 1206491.

It is an arithmetic number, because the mean of its divisors is an integer number (4028301760).

Almost surely, 2^89744447156 is an apocalyptic number.

It is an amenable number.

89744447156 is an abundant number, since it is smaller than the sum of its proper divisors (103614037324).

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

89744447156 is a wasteful number, since it uses less digits than its factorization.

89744447156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80064 (or 80062 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 59.

The spelling of 89744447156 in words is "eighty-nine billion, seven hundred forty-four million, four hundred forty-seven thousand, one hundred fifty-six".