88721392 has 10 divisors (see below), whose sum is σ = 171897728. Its totient is φ = 44360688.

The previous prime is 88721377. The next prime is 88721401. The reversal of 88721392 is 29312788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772528 + ... + 2772559.

Almost surely, 2^88721392 is an apocalyptic number.

It is an amenable number.

88721392 is a deficient number, since it is larger than the sum of its proper divisors (83176336).

88721392 is a wasteful number, since it uses less digits than its factorization.

88721392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545095 (or 5545089 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 88721392 is about 9419.2033633424. The cubic root of 88721392 is about 446.0081372898.

The spelling of 88721392 in words is "eighty-eight million, seven hundred twenty-one thousand, three hundred ninety-two".