8706720456 has 80 divisors (see below), whose sum is σ = 27870733440. Its totient is φ = 2487633120.

The previous prime is 8706720443. The next prime is 8706720479. The reversal of 8706720456 is 6540276078.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 955200 + ... + 964271.

It is an arithmetic number, because the mean of its divisors is an integer number (348384168).

Almost surely, 2^8706720456 is an apocalyptic number.

It is an amenable number.

8706720456 is an abundant number, since it is smaller than the sum of its proper divisors (19164012984).

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

8706720456 is a wasteful number, since it uses less digits than its factorization.

8706720456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919496 (or 1919483 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 8706720456 is about 93309.8090020551. The cubic root of 8706720456 is about 2057.2395595910.

The spelling of 8706720456 in words is "eight billion, seven hundred six million, seven hundred twenty thousand, four hundred fifty-six".