8570117984 has 36 divisors (see below), whose sum is σ = 16949738484. Its totient is φ = 4265511552.

The previous prime is 8570117981. The next prime is 8570117999. The reversal of 8570117984 is 4897110758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8570117981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1675559 + ... + 1680665.

It is an arithmetic number, because the mean of its divisors is an integer number (470826069).

Almost surely, 2^8570117984 is an apocalyptic number.

It is an amenable number.

8570117984 is a deficient number, since it is larger than the sum of its proper divisors (8379620500).

8570117984 is an equidigital number, since it uses as much as digits as its factorization.

8570117984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 50.

The square root of 8570117984 is about 92574.9317256027. The cubic root of 8570117984 is about 2046.4239048762.

The spelling of 8570117984 in words is "eight billion, five hundred seventy million, one hundred seventeen thousand, nine hundred eighty-four".