8234172657 has 12 divisors (see below), whose sum is σ = 12088786164. Its totient is φ = 5399457120.

The previous prime is 8234172599. The next prime is 8234172689. The reversal of 8234172657 is 7562714328.

It can be written as a sum of positive squares in 2 ways, for example, as 170851041 + 8063321616 = 13071^2 + 89796^2 .

It is not a de Polignac number, because 8234172657 - 2⁶ = 8234172593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8234172257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7498698 + ... + 7499795.

It is an arithmetic number, because the mean of its divisors is an integer number (1007398847).

Almost surely, 2^8234172657 is an apocalyptic number.

It is an amenable number.

8234172657 is a deficient number, since it is larger than the sum of its proper divisors (3854613507).

8234172657 is a wasteful number, since it uses less digits than its factorization.

8234172657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14998560 (or 14998557 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 8234172657 is about 90742.3421397090. The cubic root of 8234172657 is about 2019.3270196317.

The spelling of 8234172657 in words is "eight billion, two hundred thirty-four million, one hundred seventy-two thousand, six hundred fifty-seven".