89722872 has 48 divisors (see below), whose sum is σ = 257297040. Its totient is φ = 28147968.

The previous prime is 89722847. The next prime is 89722873. The reversal of 89722872 is 27822798.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89722873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35428 + ... + 37875.

It is an arithmetic number, because the mean of its divisors is an integer number (5360355).

Almost surely, 2^89722872 is an apocalyptic number.

It is an amenable number.

89722872 is an abundant number, since it is smaller than the sum of its proper divisors (167574168).

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

89722872 is a wasteful number, since it uses less digits than its factorization.

89722872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73332 (or 73325 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 89722872 is about 9472.2157914608. The cubic root of 89722872 is about 447.6800303486.

The spelling of 89722872 in words is "eighty-nine million, seven hundred twenty-two thousand, eight hundred seventy-two".