82988388 has 72 divisors (see below), whose sum is σ = 248644032. Its totient is φ = 23709024.

The previous prime is 82988377. The next prime is 82988413. The reversal of 82988388 is 88388928.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706 + ... + 12902.

Almost surely, 2^82988388 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 82988388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124322016).

82988388 is an abundant number, since it is smaller than the sum of its proper divisors (165655644).

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

82988388 is a wasteful number, since it uses less digits than its factorization.

82988388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223 (or 12209 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The square root of 82988388 is about 9109.7962655594. The cubic root of 82988388 is about 436.1867238816.

The spelling of 82988388 in words is "eighty-two million, nine hundred eighty-eight thousand, three hundred eighty-eight".