88721792 has 48 divisors (see below), whose sum is σ = 187032300. Its totient is φ = 41806080.

The previous prime is 88721777. The next prime is 88721803. The reversal of 88721792 is 29712788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464417 + ... + 464607.

Almost surely, 2^88721792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88721792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93516150).

88721792 is an abundant number, since it is smaller than the sum of its proper divisors (98310508).

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

88721792 is an equidigital number, since it uses as much as digits as its factorization.

88721792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 212 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 88721792 is about 9419.2245965366. The cubic root of 88721792 is about 446.0088075640.

The spelling of 88721792 in words is "eighty-eight million, seven hundred twenty-one thousand, seven hundred ninety-two".