2788045551 has 12 divisors (see below), whose sum is σ = 4125401280. Its totient is φ = 1813362720.

The previous prime is 2788045493. The next prime is 2788045591. The reversal of 2788045551 is 1555408872.

2788045551 is a `hidden beast` number, since 2 + 78 + 80 + 455 + 51 = 666.

It is not a de Polignac number, because 2788045551 - 2²² = 2783851247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2788045497 and 2788045506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788045591) 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, 3777471 + ... + 3778208.

It is an arithmetic number, because the mean of its divisors is an integer number (343783440).

Almost surely, 2^2788045551 is an apocalyptic number.

2788045551 is a deficient number, since it is larger than the sum of its proper divisors (1337355729).

2788045551 is a wasteful number, since it uses less digits than its factorization.

2788045551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555726 (or 7555723 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 2788045551 is about 52801.9464698036. The cubic root of 2788045551 is about 1407.4510141779.

The spelling of 2788045551 in words is "two billion, seven hundred eighty-eight million, forty-five thousand, five hundred fifty-one".