2789845554 has 32 divisors (see below), whose sum is σ = 5943321216. Its totient is φ = 869999360.

The previous prime is 2789845549. The next prime is 2789845661. The reversal of 2789845554 is 4555489872.

It is a junction number, because it is equal to n+sod(n) for n = 2789845494 and 2789845503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64857 + ... + 98924.

It is an arithmetic number, because the mean of its divisors is an integer number (185728788).

Almost surely, 2^2789845554 is an apocalyptic number.

2789845554 is an abundant number, since it is smaller than the sum of its proper divisors (3153475662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2789845554 is a wasteful number, since it uses less digits than its factorization.

2789845554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163970.

The product of its digits is 16128000, while the sum is 57.

The square root of 2789845554 is about 52818.9885741861. The cubic root of 2789845554 is about 1407.7538393402.

The spelling of 2789845554 in words is "two billion, seven hundred eighty-nine million, eight hundred forty-five thousand, five hundred fifty-four".