2778355253002 has 16 divisors (see below), whose sum is σ = 4779844529472. Its totient is φ = 1186486227360.

The previous prime is 2778355252999. The next prime is 2778355253041. The reversal of 2778355253002 is 2003525538772.

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, 353116968 + ... + 353124835.

It is an arithmetic number, because the mean of its divisors is an integer number (298740283092).

Almost surely, 2^{2778355253002} is an apocalyptic number.

2778355253002 is a deficient number, since it is larger than the sum of its proper divisors (2001489276470).

2778355253002 is a wasteful number, since it uses less digits than its factorization.

2778355253002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706242093.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 2778355253002 in words is "two trillion, seven hundred seventy-eight billion, three hundred fifty-five million, two hundred fifty-three thousand, two".