88291815536 has 80 divisors (see below), whose sum is σ = 184760745984. Its totient is φ = 40717627392.

The previous prime is 88291815509. The next prime is 88291815539. The reversal of 88291815536 is 63551819288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88291815539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14369681 + ... + 14375823.

Almost surely, 2^88291815536 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 88291815536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92380372992).

88291815536 is an abundant number, since it is smaller than the sum of its proper divisors (96468930448).

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

88291815536 is a wasteful number, since it uses less digits than its factorization.

88291815536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218 (or 7212 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 56.

The spelling of 88291815536 in words is "eighty-eight billion, two hundred ninety-one million, eight hundred fifteen thousand, five hundred thirty-six".