8151847712 has 24 divisors (see below), whose sum is σ = 16088215500. Its totient is φ = 4065951744.

The previous prime is 8151847687. The next prime is 8151847763. The reversal of 8151847712 is 2177481518.

It can be written as a sum of positive squares in 2 ways, for example, as 7639459216 + 512388496 = 87404^2 + 22636^2 .

It is a super-2 number, since 2×8151847712² (a number of 21 digits) contains 22 as substring.

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, 298337 + ... + 324512.

Almost surely, 2^8151847712 is an apocalyptic number.

It is an amenable number.

8151847712 is a deficient number, since it is larger than the sum of its proper divisors (7936367788).

8151847712 is a wasteful number, since it uses less digits than its factorization.

8151847712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623268 (or 623260 counting only the distinct ones).

The product of its digits is 125440, while the sum is 44.

The square root of 8151847712 is about 90287.5833766748. The cubic root of 8151847712 is about 2012.5747481566.

The spelling of 8151847712 in words is "eight billion, one hundred fifty-one million, eight hundred forty-seven thousand, seven hundred twelve".