8125959285 has 40 divisors (see below), whose sum is σ = 15423402456. Its totient is φ = 4078909440.

The previous prime is 8125959269. The next prime is 8125959323. The reversal of 8125959285 is 5829595218.

It can be written as a sum of positive squares in 4 ways, for example, as 1668068964 + 6457890321 = 40842^2 + 80361^2 .

It is not a de Polignac number, because 8125959285 - 2⁴ = 8125959269 is a prime.

It is a super-2 number, since 2×8125959285² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 583236 + ... + 597005.

Almost surely, 2^8125959285 is an apocalyptic number.

8125959285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8125959285 is a deficient number, since it is larger than the sum of its proper divisors (7297443171).

8125959285 is a wasteful number, since it uses less digits than its factorization.

8125959285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180275 (or 1180266 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 54.

The square root of 8125959285 is about 90144.1028853247. The cubic root of 8125959285 is about 2010.4419945791.

The spelling of 8125959285 in words is "eight billion, one hundred twenty-five million, nine hundred fifty-nine thousand, two hundred eighty-five".