8868195947520 has 2816 divisors, whose sum is σ = 40504235950080. Its totient is φ = 1790380081152.

The previous prime is 8868195947459. The next prime is 8868195947539. The reversal of 8868195947520 is 257495918688.

8868195947520 is a `hidden beast` number, since 8 + 8 + 6 + 8 + 1 + 9 + 5 + 94 + 7 + 520 = 666.

It is a super-2 number, since 2×8868195947520² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 31336381299 + ... + 31336381581.

Almost surely, 2^{8868195947520} is an apocalyptic number.

8868195947520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8868195947520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20252117975040).

8868195947520 is an abundant number, since it is smaller than the sum of its proper divisors (31636040002560).

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

8868195947520 is a wasteful number, since it uses less digits than its factorization.

8868195947520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 72.

The spelling of 8868195947520 in words is "eight trillion, eight hundred sixty-eight billion, one hundred ninety-five million, nine hundred forty-seven thousand, five hundred twenty".