88988903640 has 1152 divisors, whose sum is σ = 379848268800. Its totient is φ = 18341406720.

The previous prime is 88988903629. The next prime is 88988903669. The reversal of 88988903640 is 4630988988.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 816411906 + ... + 816412014.

It is an arithmetic number, because the mean of its divisors is an integer number (329729400).

Almost surely, 2^88988903640 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 88988903640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189924134400).

88988903640 is an abundant number, since it is smaller than the sum of its proper divisors (290859365160).

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

88988903640 is a wasteful number, since it uses less digits than its factorization.

88988903640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 88988903640 in words is "eighty-eight billion, nine hundred eighty-eight million, nine hundred three thousand, six hundred forty".