2799780412 has 72 divisors (see below), whose sum is σ = 5911702272. Its totient is φ = 1149595200.

The previous prime is 2799780383. The next prime is 2799780419. The reversal of 2799780412 is 2140879972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799780419) 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, 345487 + ... + 353497.

It is an arithmetic number, because the mean of its divisors is an integer number (82106976).

Almost surely, 2^2799780412 is an apocalyptic number.

2799780412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2799780412 is an abundant number, since it is smaller than the sum of its proper divisors (3111921860).

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

2799780412 is a wasteful number, since it uses less digits than its factorization.

2799780412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099 (or 8084 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 2799780412 is about 52912.9512690419. The cubic root of 2799780412 is about 1409.4229001585.

The spelling of 2799780412 in words is "two billion, seven hundred ninety-nine million, seven hundred eighty thousand, four hundred twelve".