2788288275557 has 12 divisors (see below), whose sum is σ = 2949592003776. Its totient is φ = 2635407259560.

The previous prime is 2788288275503. The next prime is 2788288275569. The reversal of 2788288275557 is 7555728828872.

It is a happy number.

It is not a de Polignac number, because 2788288275557 - 2²⁸ = 2788019840101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788288274557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8804723 + ... + 9115904.

It is an arithmetic number, because the mean of its divisors is an integer number (245799333648).

Almost surely, 2^{2788288275557} is an apocalyptic number.

It is an amenable number.

2788288275557 is a deficient number, since it is larger than the sum of its proper divisors (161303728219).

2788288275557 is a wasteful number, since it uses less digits than its factorization.

2788288275557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17921096 (or 17921077 counting only the distinct ones).

The product of its digits is 1404928000, while the sum is 74.

The spelling of 2788288275557 in words is "two trillion, seven hundred eighty-eight billion, two hundred eighty-eight million, two hundred seventy-five thousand, five hundred fifty-seven".