2794866780 has 96 divisors (see below), whose sum is σ = 8051883840. Its totient is φ = 723824640.

The previous prime is 2794866713. The next prime is 2794866821. The reversal of 2794866780 is 876684972.

It is a super-2 number, since 2×2794866780² = 15622560635895136800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2794866780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1955106 + ... + 1956534.

It is an arithmetic number, because the mean of its divisors is an integer number (83873790).

Almost surely, 2^2794866780 is an apocalyptic number.

2794866780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2794866780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4025941920).

2794866780 is an abundant number, since it is smaller than the sum of its proper divisors (5257017060).

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

2794866780 is a wasteful number, since it uses less digits than its factorization.

2794866780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The square root of 2794866780 is about 52866.4996004086. The cubic root of 2794866780 is about 1408.5979020320.

The spelling of 2794866780 in words is "two billion, seven hundred ninety-four million, eight hundred sixty-six thousand, seven hundred eighty".