8857722012 has 48 divisors (see below), whose sum is σ = 20777285760. Its totient is φ = 2937008448.

The previous prime is 8857722001. The next prime is 8857722053. The reversal of 8857722012 is 2102277588.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873083 + ... + 1877805.

It is an arithmetic number, because the mean of its divisors is an integer number (432860120).

Almost surely, 2^8857722012 is an apocalyptic number.

It is an amenable number.

8857722012 is an abundant number, since it is smaller than the sum of its proper divisors (11919563748).

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

8857722012 is a wasteful number, since it uses less digits than its factorization.

8857722012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 8857722012 is about 94115.4716930219. The cubic root of 8857722012 is about 2069.0644338106.

The spelling of 8857722012 in words is "eight billion, eight hundred fifty-seven million, seven hundred twenty-two thousand, twelve".