2856842788690 has 64 divisors (see below), whose sum is σ = 6042534100992. Its totient is φ = 961630084800.

The previous prime is 2856842788673. The next prime is 2856842788693. The reversal of 2856842788690 is 968872486582.

2856842788690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2856842788690² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2856842788693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18134262 + ... + 18291121.

It is an arithmetic number, because the mean of its divisors is an integer number (94414595328).

Almost surely, 2^{2856842788690} is an apocalyptic number.

2856842788690 is an abundant number, since it is smaller than the sum of its proper divisors (3185691312302).

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

2856842788690 is a wasteful number, since it uses less digits than its factorization.

2856842788690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36425455.

The product of its (nonzero) digits is 743178240, while the sum is 73.

The spelling of 2856842788690 in words is "two trillion, eight hundred fifty-six billion, eight hundred forty-two million, seven hundred eighty-eight thousand, six hundred ninety".