2856947802 has 16 divisors (see below), whose sum is σ = 5745466272. Its totient is φ = 947054160.

The previous prime is 2856947791. The next prime is 2856947803. The reversal of 2856947802 is 2087496582.

It is not an unprimeable number, because it can be changed into a prime (2856947803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314268 + ... + 1316439.

It is an arithmetic number, because the mean of its divisors is an integer number (359091642).

Almost surely, 2^2856947802 is an apocalyptic number.

2856947802 is an abundant number, since it is smaller than the sum of its proper divisors (2888518470).

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

2856947802 is a wasteful number, since it uses less digits than its factorization.

2856947802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630893.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2856947802 is about 53450.4237775530. The cubic root of 2856947802 is about 1418.9511202341.

The spelling of 2856947802 in words is "two billion, eight hundred fifty-six million, nine hundred forty-seven thousand, eight hundred two".