2856979390 has 16 divisors (see below), whose sum is σ = 5157389232. Its totient is φ = 1139497024.

The previous prime is 2856979381. The next prime is 2856979423. The reversal of 2856979390 is 939796582.

2856979390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 408199 + ... + 415138.

It is an arithmetic number, because the mean of its divisors is an integer number (322336827).

Almost surely, 2^2856979390 is an apocalyptic number.

2856979390 is a deficient number, since it is larger than the sum of its proper divisors (2300409842).

2856979390 is a wasteful number, since it uses less digits than its factorization.

2856979390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823691.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 2856979390 is about 53450.7192655066. The cubic root of 2856979390 is about 1418.9563497851.

The spelling of 2856979390 in words is "two billion, eight hundred fifty-six million, nine hundred seventy-nine thousand, three hundred ninety".