8855957880 has 512 divisors, whose sum is σ = 37179648000. Its totient is φ = 1821450240.

The previous prime is 8855957839. The next prime is 8855957923. The reversal of 8855957880 is 887595588.

8855957880 is a `hidden beast` number, since 8 + 8 + 5 + 59 + 578 + 8 + 0 = 666.

It is a super-4 number, since 4×8855957880⁴ (a number of 41 digits) contains 4444 as substring.

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 polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9063952 + ... + 9064928.

It is an arithmetic number, because the mean of its divisors is an integer number (72616500).

Almost surely, 2^8855957880 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 8855957880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18589824000).

8855957880 is an abundant number, since it is smaller than the sum of its proper divisors (28323690120).

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

8855957880 is a wasteful number, since it uses less digits than its factorization.

8855957880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 63.

The square root of 8855957880 is about 94106.0990584564. The cubic root of 8855957880 is about 2068.9270642129.

The spelling of 8855957880 in words is "eight billion, eight hundred fifty-five million, nine hundred fifty-seven thousand, eight hundred eighty".