88320380 has 24 divisors (see below), whose sum is σ = 186360720. Its totient is φ = 35159040.

The previous prime is 88320377. The next prime is 88320403. The reversal of 88320380 is 8302388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6245 + ... + 14684.

It is an arithmetic number, because the mean of its divisors is an integer number (7765030).

Almost surely, 2^88320380 is an apocalyptic number.

It is an amenable number.

88320380 is an abundant number, since it is smaller than the sum of its proper divisors (98040340).

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

88320380 is a wasteful number, since it uses less digits than its factorization.

88320380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21149 (or 21147 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 88320380 is about 9397.8923168974. The cubic root of 88320380 is about 445.3351512968.

The spelling of 88320380 in words is "eighty-eight million, three hundred twenty thousand, three hundred eighty".