2779880889772 has 24 divisors (see below), whose sum is σ = 5561661417984. Its totient is φ = 1190970458832.

The previous prime is 2779880889769. The next prime is 2779880889781.

It is a happy number.

2779880889772 is nontrivially palindromic in base 10.

2779880889772 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 2×2779880889772² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16877638 + ... + 17041549.

It is an arithmetic number, because the mean of its divisors is an integer number (231735892416).

Almost surely, 2^{2779880889772} is an apocalyptic number.

It is an amenable number.

2779880889772 is an abundant number, since it is smaller than the sum of its proper divisors (2781780528212).

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

2779880889772 is a wasteful number, since it uses less digits than its factorization.

2779880889772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33922125 (or 33922123 counting only the distinct ones).

The product of its (nonzero) digits is 3186376704, while the sum is 82.

The spelling of 2779880889772 in words is "two trillion, seven hundred seventy-nine billion, eight hundred eighty million, eight hundred eighty-nine thousand, seven hundred seventy-two".