8257899514 has 16 divisors (see below), whose sum is σ = 12527994600. Its totient is φ = 4082068224.

The previous prime is 8257899497. The next prime is 8257899521. The reversal of 8257899514 is 4159987528.

It can be written as a sum of positive squares in 4 ways, for example, as 8216516025 + 41383489 = 90645^2 + 6433^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58182 + ... + 141070.

Almost surely, 2^8257899514 is an apocalyptic number.

8257899514 is a deficient number, since it is larger than the sum of its proper divisors (4270095086).

8257899514 is a wasteful number, since it uses less digits than its factorization.

8257899514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83457.

The product of its digits is 7257600, while the sum is 58.

The square root of 8257899514 is about 90872.9856117867. The cubic root of 8257899514 is about 2021.2647304795.

The spelling of 8257899514 in words is "eight billion, two hundred fifty-seven million, eight hundred ninety-nine thousand, five hundred fourteen".