8125835690 has 64 divisors (see below), whose sum is σ = 17066764800. Its totient is φ = 2728078080.

The previous prime is 8125835651. The next prime is 8125835693. The reversal of 8125835690 is 965385218.

It is a super-2 number, since 2×8125835690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8125835693) 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 31 ways as a sum of consecutive naturals, for example, 735044 + ... + 746016.

It is an arithmetic number, because the mean of its divisors is an integer number (266668200).

Almost surely, 2^8125835690 is an apocalyptic number.

8125835690 is an abundant number, since it is smaller than the sum of its proper divisors (8940929110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8125835690 is a wasteful number, since it uses less digits than its factorization.

8125835690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 8125835690 is about 90143.4173414787. The cubic root of 8125835690 is about 2010.4318016559.

The spelling of 8125835690 in words is "eight billion, one hundred twenty-five million, eight hundred thirty-five thousand, six hundred ninety".