8258085690 has 16 divisors (see below), whose sum is σ = 19819405728. Its totient is φ = 2202156176.

The previous prime is 8258085637. The next prime is 8258085701. The reversal of 8258085690 is 965808528.

It is a super-2 number, since 2×8258085690² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 137634732 + ... + 137634791.

It is an arithmetic number, because the mean of its divisors is an integer number (1238712858).

Almost surely, 2^8258085690 is an apocalyptic number.

8258085690 is an abundant number, since it is smaller than the sum of its proper divisors (11561320038).

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

8258085690 is a wasteful number, since it uses less digits than its factorization.

8258085690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275269533.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 8258085690 is about 90874.0099808521. The cubic root of 8258085690 is about 2021.2799203048.

The spelling of 8258085690 in words is "eight billion, two hundred fifty-eight million, eighty-five thousand, six hundred ninety".