2777398052 has 144 divisors (see below), whose sum is σ = 6162573312. Its totient is φ = 1081866240.

The previous prime is 2777398021. The next prime is 2777398067. The reversal of 2777398052 is 2508937772.

2777398052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16054238 + ... + 16054410.

It is an arithmetic number, because the mean of its divisors is an integer number (42795648).

Almost surely, 2^2777398052 is an apocalyptic number.

2777398052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2777398052 is an abundant number, since it is smaller than the sum of its proper divisors (3385175260).

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

2777398052 is a wasteful number, since it uses less digits than its factorization.

2777398052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 2777398052 is about 52701.0251513194. The cubic root of 2777398052 is about 1405.6570512923.

The spelling of 2777398052 in words is "two billion, seven hundred seventy-seven million, three hundred ninety-eight thousand, fifty-two".