88839720 has 128 divisors (see below), whose sum is σ = 303177600. Its totient is φ = 23127552.

The previous prime is 88839719. The next prime is 88839721. The reversal of 88839720 is 2793888.

It is an interprime number because it is at equal distance from previous prime (88839719) and next prime (88839721).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (88839721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45484 + ... + 47396.

It is an arithmetic number, because the mean of its divisors is an integer number (2368575).

Almost surely, 2^88839720 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 88839720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151588800).

88839720 is an abundant number, since it is smaller than the sum of its proper divisors (214337880).

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

88839720 is a wasteful number, since it uses less digits than its factorization.

88839720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 88839720 is about 9425.4824810192. The cubic root of 88839720 is about 446.2063300250.

The spelling of 88839720 in words is "eighty-eight million, eight hundred thirty-nine thousand, seven hundred twenty".