8720668754 has 32 divisors (see below), whose sum is σ = 15751342080. Its totient is φ = 3537393552.

The previous prime is 8720668751. The next prime is 8720668769. The reversal of 8720668754 is 4578660278.

It is a junction number, because it is equal to n+sod(n) for n = 8720668696 and 8720668705.

It is not an unprimeable number, because it can be changed into a prime (8720668751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278537 + ... + 308259.

It is an arithmetic number, because the mean of its divisors is an integer number (492229440).

Almost surely, 2^8720668754 is an apocalyptic number.

8720668754 is a deficient number, since it is larger than the sum of its proper divisors (7030673326).

8720668754 is a wasteful number, since it uses less digits than its factorization.

8720668754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30854.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The square root of 8720668754 is about 93384.5209550277. The cubic root of 8720668754 is about 2058.3375497751.

The spelling of 8720668754 in words is "eight billion, seven hundred twenty million, six hundred sixty-eight thousand, seven hundred fifty-four".