8468720488 has 16 divisors (see below), whose sum is σ = 15883959780. Its totient is φ = 4232997888.

The previous prime is 8468720473. The next prime is 8468720537. The reversal of 8468720488 is 8840278648.

It can be written as a sum of positive squares in 2 ways, for example, as 6438136644 + 2030583844 = 80238^2 + 45062^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143631 + ... + 193822.

Almost surely, 2^8468720488 is an apocalyptic number.

It is an amenable number.

8468720488 is a deficient number, since it is larger than the sum of its proper divisors (7415239292).

8468720488 is a wasteful number, since it uses less digits than its factorization.

8468720488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340596 (or 340592 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 55.

The square root of 8468720488 is about 92025.6512500727. The cubic root of 8468720488 is about 2038.3210978319.

The spelling of 8468720488 in words is "eight billion, four hundred sixty-eight million, seven hundred twenty thousand, four hundred eighty-eight".