88023620 has 72 divisors (see below), whose sum is σ = 199650696. Its totient is φ = 32587776.

The previous prime is 88023583. The next prime is 88023641. The reversal of 88023620 is 2632088.

It can be written as a sum of positive squares in 12 ways, for example, as 7706176 + 80317444 = 2776^2 + 8962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560582 + ... + 560738.

Almost surely, 2^88023620 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 88023620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99825348).

88023620 is an abundant number, since it is smaller than the sum of its proper divisors (111627076).

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

88023620 is a wasteful number, since it uses less digits than its factorization.

88023620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 88023620 is about 9382.0903854099. The cubic root of 88023620 is about 444.8358103188.

The spelling of 88023620 in words is "eighty-eight million, twenty-three thousand, six hundred twenty".