8722853440 has 56 divisors (see below), whose sum is σ = 23738628672. Its totient is φ = 2990691840.

The previous prime is 8722853389. The next prime is 8722853453. The reversal of 8722853440 is 443582278.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944826 + ... + 1949305.

Almost surely, 2^8722853440 is an apocalyptic number.

8722853440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8722853440 is an abundant number, since it is smaller than the sum of its proper divisors (15015775232).

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

8722853440 is a wasteful number, since it uses less digits than its factorization.

8722853440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894155 (or 3894145 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 8722853440 is about 93396.2174822942. The cubic root of 8722853440 is about 2058.5094190776.

The spelling of 8722853440 in words is "eight billion, seven hundred twenty-two million, eight hundred fifty-three thousand, four hundred forty".