2786628745 has 8 divisors (see below), whose sum is σ = 3366100800. Its totient is φ = 2214538800.

The previous prime is 2786628727. The next prime is 2786628769. The reversal of 2786628745 is 5478266872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2786628745 - 2⁷ = 2786628617 is a prime.

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, 1844695 + ... + 1846204.

It is an arithmetic number, because the mean of its divisors is an integer number (420762600).

Almost surely, 2^2786628745 is an apocalyptic number.

It is an amenable number.

2786628745 is a deficient number, since it is larger than the sum of its proper divisors (579472055).

2786628745 is a wasteful number, since it uses less digits than its factorization.

2786628745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691055.

The product of its digits is 9031680, while the sum is 55.

The square root of 2786628745 is about 52788.5285360371. The cubic root of 2786628745 is about 1407.2125648317.

The spelling of 2786628745 in words is "two billion, seven hundred eighty-six million, six hundred twenty-eight thousand, seven hundred forty-five".