88712820 has 120 divisors (see below), whose sum is σ = 318092544. Its totient is φ = 20274624.

The previous prime is 88712809. The next prime is 88712837. The reversal of 88712820 is 2821788.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 7429 + ... + 15251.

Almost surely, 2^88712820 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 88712820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159046272).

88712820 is an abundant number, since it is smaller than the sum of its proper divisors (229379724).

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

88712820 is a wasteful number, since it uses less digits than its factorization.

88712820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851 (or 7840 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 88712820 is about 9418.7483244856. The cubic root of 88712820 is about 445.9937728289.

The spelling of 88712820 in words is "eighty-eight million, seven hundred twelve thousand, eight hundred twenty".