2778008275055 has 32 divisors (see below), whose sum is σ = 3909301099200. Its totient is φ = 1876464479232.

The previous prime is 2778008274961. The next prime is 2778008275061. The reversal of 2778008275055 is 5505728008772.

It is a cyclic number.

It is not a de Polignac number, because 2778008275055 - 2¹⁰ = 2778008274031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38746934 + ... + 38818563.

It is an arithmetic number, because the mean of its divisors is an integer number (122165659350).

Almost surely, 2^{2778008275055} is an apocalyptic number.

2778008275055 is a deficient number, since it is larger than the sum of its proper divisors (1131292824145).

2778008275055 is a wasteful number, since it uses less digits than its factorization.

2778008275055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77565563.

The product of its (nonzero) digits is 10976000, while the sum is 56.

The spelling of 2778008275055 in words is "two trillion, seven hundred seventy-eight billion, eight million, two hundred seventy-five thousand, fifty-five".