8488720331 has 16 divisors (see below), whose sum is σ = 10901904384. Its totient is φ = 6424333344.

The previous prime is 8488720309. The next prime is 8488720333. The reversal of 8488720331 is 1330278848.

It is a happy number.

It is not a de Polignac number, because 8488720331 - 2¹⁰ = 8488719307 is a prime.

It is a super-2 number, since 2×8488720331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8488720333) 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, 2025791 + ... + 2029976.

It is an arithmetic number, because the mean of its divisors is an integer number (681369024).

Almost surely, 2^8488720331 is an apocalyptic number.

8488720331 is a deficient number, since it is larger than the sum of its proper divisors (2413184053).

8488720331 is a wasteful number, since it uses less digits than its factorization.

8488720331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055810.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 8488720331 is about 92134.2516711348. The cubic root of 8488720331 is about 2039.9244117674.

The spelling of 8488720331 in words is "eight billion, four hundred eighty-eight million, seven hundred twenty thousand, three hundred thirty-one".