8185879356 has 12 divisors (see below), whose sum is σ = 19100385192. Its totient is φ = 2728626448.

The previous prime is 8185879349. The next prime is 8185879357. The reversal of 8185879356 is 6539785818.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 8185879356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8185879357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341078295 + ... + 341078318.

It is an arithmetic number, because the mean of its divisors is an integer number (1591698766).

Almost surely, 2^8185879356 is an apocalyptic number.

It is an amenable number.

8185879356 is an abundant number, since it is smaller than the sum of its proper divisors (10914505836).

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

8185879356 is a wasteful number, since it uses less digits than its factorization.

8185879356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682156620 (or 682156618 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 60.

The square root of 8185879356 is about 90475.8495732425. The cubic root of 8185879356 is about 2015.3715021257.

The spelling of 8185879356 in words is "eight billion, one hundred eighty-five million, eight hundred seventy-nine thousand, three hundred fifty-six".