2791373886 has 120 divisors (see below), whose sum is σ = 7592769360. Its totient is φ = 762810048.

The previous prime is 2791373881. The next prime is 2791373929. The reversal of 2791373886 is 6883731972.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791373881) 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 59 ways as a sum of consecutive naturals, for example, 174930 + ... + 190218.

It is an arithmetic number, because the mean of its divisors is an integer number (63273078).

Almost surely, 2^2791373886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2791373886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3796384680).

2791373886 is an abundant number, since it is smaller than the sum of its proper divisors (4801395474).

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

2791373886 is a wasteful number, since it uses less digits than its factorization.

2791373886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340 (or 15324 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 2791373886 is about 52833.4542311971. The cubic root of 2791373886 is about 1408.0108574485.

The spelling of 2791373886 in words is "two billion, seven hundred ninety-one million, three hundred seventy-three thousand, eight hundred eighty-six".