8257012005 has 64 divisors (see below), whose sum is σ = 14775349248. Its totient is φ = 3902895360.

The previous prime is 8257011967. The next prime is 8257012007. The reversal of 8257012005 is 5002107528.

It is not a de Polignac number, because 8257012005 - 2¹⁰ = 8257010981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257012007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6221652 + ... + 6222978.

It is an arithmetic number, because the mean of its divisors is an integer number (230864832).

Almost surely, 2^8257012005 is an apocalyptic number.

It is an amenable number.

8257012005 is a deficient number, since it is larger than the sum of its proper divisors (6518337243).

8257012005 is a wasteful number, since it uses less digits than its factorization.

8257012005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 8257012005 is about 90868.1022416557. The cubic root of 8257012005 is about 2021.1923167902.

The spelling of 8257012005 in words is "eight billion, two hundred fifty-seven million, twelve thousand, five".