8557350880 has 192 divisors, whose sum is σ = 22426987968. Its totient is φ = 3065610240.

The previous prime is 8557350839. The next prime is 8557350881. The reversal of 8557350880 is 880537558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557350881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21554842 + ... + 21555238.

It is an arithmetic number, because the mean of its divisors is an integer number (116807229).

Almost surely, 2^8557350880 is an apocalyptic number.

8557350880 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 8557350880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11213493984).

8557350880 is an abundant number, since it is smaller than the sum of its proper divisors (13869637088).

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

8557350880 is a wasteful number, since it uses less digits than its factorization.

8557350880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 49.

The square root of 8557350880 is about 92505.9505113049. The cubic root of 8557350880 is about 2045.4071980828.

The spelling of 8557350880 in words is "eight billion, five hundred fifty-seven million, three hundred fifty thousand, eight hundred eighty".