8231975715 has 16 divisors (see below), whose sum is σ = 13174278048. Its totient is φ = 4389348096.

The previous prime is 8231975711. The next prime is 8231975723. The reversal of 8231975715 is 5175791328.

It is not a de Polignac number, because 8231975715 - 2² = 8231975711 is a prime.

It is a super-2 number, since 2×8231975715² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8231975711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847 + ... + 128343.

It is an arithmetic number, because the mean of its divisors is an integer number (823392378).

Almost surely, 2^8231975715 is an apocalyptic number.

8231975715 is a deficient number, since it is larger than the sum of its proper divisors (4942302333).

8231975715 is a wasteful number, since it uses less digits than its factorization.

8231975715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129878.

The product of its digits is 529200, while the sum is 48.

The square root of 8231975715 is about 90730.2359470094. The cubic root of 8231975715 is about 2019.1474128825.

The spelling of 8231975715 in words is "eight billion, two hundred thirty-one million, nine hundred seventy-five thousand, seven hundred fifteen".