2794561181886 has 48 divisors (see below), whose sum is σ = 5876992570752. Its totient is φ = 884217082320.

The previous prime is 2794561181833. The next prime is 2794561181887. The reversal of 2794561181886 is 6881811654972.

2794561181886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2794561181887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1778205 + ... + 2958231.

It is an arithmetic number, because the mean of its divisors is an integer number (122437345224).

Almost surely, 2^{2794561181886} is an apocalyptic number.

2794561181886 is an abundant number, since it is smaller than the sum of its proper divisors (3082431388866).

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

2794561181886 is a wasteful number, since it uses less digits than its factorization.

2794561181886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180317 (or 1180186 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 66.

The spelling of 2794561181886 in words is "two trillion, seven hundred ninety-four billion, five hundred sixty-one million, one hundred eighty-one thousand, eight hundred eighty-six".