88017220512 has 168 divisors, whose sum is σ = 279793122084. Its totient is φ = 27082128384.

The previous prime is 88017220457. The next prime is 88017220541. The reversal of 88017220512 is 21502271088.

It can be written as a sum of positive squares in 2 ways, for example, as 88016648976 + 571536 = 296676^2 + 756^2 .

It is a super-2 number, since 2×88017220512² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 158148 + ... + 448380.

Almost surely, 2^88017220512 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 88017220512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139896561042).

88017220512 is an abundant number, since it is smaller than the sum of its proper divisors (191775901572).

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

88017220512 is a wasteful number, since it uses less digits than its factorization.

88017220512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290274 (or 290251 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 88017220512 in words is "eighty-eight billion, seventeen million, two hundred twenty thousand, five hundred twelve".