88903656816520 has 256 divisors, whose sum is σ = 260690737789440. Its totient is φ = 26480033906688.

The previous prime is 88903656816509. The next prime is 88903656816547. The reversal of 88903656816520 is 2561865630988.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1980323194 + ... + 1980368086.

It is an arithmetic number, because the mean of its divisors is an integer number (1018323194490).

Almost surely, 2^{88903656816520} 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 88903656816520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130345368894720).

88903656816520 is an abundant number, since it is smaller than the sum of its proper divisors (171787080972920).

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

88903656816520 is a wasteful number, since it uses less digits than its factorization.

88903656816520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76944 (or 76940 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 67.

The spelling of 88903656816520 in words is "eighty-eight trillion, nine hundred three billion, six hundred fifty-six million, eight hundred sixteen thousand, five hundred twenty".