8710489920 has 448 divisors, whose sum is σ = 32289000192. Its totient is φ = 1982464000.

The previous prime is 8710489913. The next prime is 8710489933. The reversal of 8710489920 is 299840178.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 8710489920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21721720 + ... + 21722120.

Almost surely, 2^8710489920 is an apocalyptic number.

8710489920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8710489920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16144500096).

8710489920 is an abundant number, since it is smaller than the sum of its proper divisors (23578510272).

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

8710489920 is a wasteful number, since it uses less digits than its factorization.

8710489920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 8710489920 is about 93330.0054644807. The cubic root of 8710489920 is about 2057.5364020003.

The spelling of 8710489920 in words is "eight billion, seven hundred ten million, four hundred eighty-nine thousand, nine hundred twenty".