2777778888896 has 112 divisors (see below), whose sum is σ = 6131182027680. Its totient is φ = 1237900984320.

The previous prime is 2777778888769. The next prime is 2777778888923. The reversal of 2777778888896 is 6988888777772.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52546190 + ... + 52599026.

Almost surely, 2^{2777778888896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2777778888896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3065591013840).

2777778888896 is an abundant number, since it is smaller than the sum of its proper divisors (3353403138784).

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

2777778888896 is a wasteful number, since it uses less digits than its factorization.

2777778888896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54322 (or 54312 counting only the distinct ones).

The product of its digits is 59479031808, while the sum is 92.

The spelling of 2777778888896 in words is "two trillion, seven hundred seventy-seven billion, seven hundred seventy-eight million, eight hundred eighty-eight thousand, eight hundred ninety-six".