2677779798 has 16 divisors (see below), whose sum is σ = 5357804400. Its totient is φ = 892219136.

The previous prime is 2677779787. The next prime is 2677779829. The reversal of 2677779798 is 8979777762.

It is a congruent number.

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, 77823 + ... + 106826.

It is an arithmetic number, because the mean of its divisors is an integer number (334862775).

Almost surely, 2^2677779798 is an apocalyptic number.

2677779798 is an abundant number, since it is smaller than the sum of its proper divisors (2680024602).

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

2677779798 is a wasteful number, since it uses less digits than its factorization.

2677779798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187071.

The product of its digits is 130691232, while the sum is 69.

The square root of 2677779798 is about 51747.2685076227. The cubic root of 2677779798 is about 1388.6462326277.

The spelling of 2677779798 in words is "two billion, six hundred seventy-seven million, seven hundred seventy-nine thousand, seven hundred ninety-eight".