8750720331 has 64 divisors (see below), whose sum is σ = 13602816000. Its totient is φ = 5553424800.

The previous prime is 8750720311. The next prime is 8750720353. The reversal of 8750720331 is 1330270578.

8750720331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8750720331 - 2¹⁹ = 8750196043 is a prime.

It is a super-2 number, since 2×8750720331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8750720311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17821996 + ... + 17822486.

It is an arithmetic number, because the mean of its divisors is an integer number (212544000).

Almost surely, 2^8750720331 is an apocalyptic number.

8750720331 is a deficient number, since it is larger than the sum of its proper divisors (4852095669).

8750720331 is a wasteful number, since it uses less digits than its factorization.

8750720331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 8750720331 is about 93545.2849212615. The cubic root of 8750720331 is about 2060.6991948205.

The spelling of 8750720331 in words is "eight billion, seven hundred fifty million, seven hundred twenty thousand, three hundred thirty-one".