8873557056 has 672 divisors, whose sum is σ = 33325580288. Its totient is φ = 2194698240.

The previous prime is 8873557027. The next prime is 8873557057. The reversal of 8873557056 is 6507553788.

8873557056 is a `hidden beast` number, since 8 + 87 + 3 + 557 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a junction number, because it is equal to n+sod(n) for n = 8873556993 and 8873557011.

It is not an unprimeable number, because it can be changed into a prime (8873557057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69870465 + ... + 69870591.

Almost surely, 2^8873557056 is an apocalyptic number.

8873557056 is a gapful number since it is divisible by the number (86) 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 8873557056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16662790144).

8873557056 is an abundant number, since it is smaller than the sum of its proper divisors (24452023232).

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

8873557056 is a wasteful number, since it uses less digits than its factorization.

8873557056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The square root of 8873557056 is about 94199.5597441941. The cubic root of 8873557056 is about 2070.2966626557.

The spelling of 8873557056 in words is "eight billion, eight hundred seventy-three million, five hundred fifty-seven thousand, fifty-six".