8747640885 has 16 divisors (see below), whose sum is σ = 14012205696. Its totient is φ = 4660081728.

The previous prime is 8747640877. The next prime is 8747640911. The reversal of 8747640885 is 5880467478.

It is a happy number.

It is not a de Polignac number, because 8747640885 - 2³ = 8747640877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319329 + ... + 345638.

It is an arithmetic number, because the mean of its divisors is an integer number (875762856).

Almost surely, 2^8747640885 is an apocalyptic number.

It is an amenable number.

8747640885 is a deficient number, since it is larger than the sum of its proper divisors (5264564811).

8747640885 is a wasteful number, since it uses less digits than its factorization.

8747640885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665852.

The product of its (nonzero) digits is 12042240, while the sum is 57.

The square root of 8747640885 is about 93528.8238191842. The cubic root of 8747640885 is about 2060.4574411447.

The spelling of 8747640885 in words is "eight billion, seven hundred forty-seven million, six hundred forty thousand, eight hundred eighty-five".