2778602090 has 16 divisors (see below), whose sum is σ = 5456164320. Its totient is φ = 1010400720.

The previous prime is 2778602089. The next prime is 2778602117. The reversal of 2778602090 is 902068772.

2778602090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12629900 + ... + 12630119.

It is an arithmetic number, because the mean of its divisors is an integer number (341010270).

Almost surely, 2^2778602090 is an apocalyptic number.

2778602090 is a deficient number, since it is larger than the sum of its proper divisors (2677562230).

2778602090 is a wasteful number, since it uses less digits than its factorization.

2778602090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25260037.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 2778602090 is about 52712.4472017758. The cubic root of 2778602090 is about 1405.8601454549.

The spelling of 2778602090 in words is "two billion, seven hundred seventy-eight million, six hundred two thousand, ninety".