2868420836 has 12 divisors (see below), whose sum is σ = 5021622060. Its totient is φ = 1433671680.

The previous prime is 2868420833. The next prime is 2868420851. The reversal of 2868420836 is 6380248682.

It can be written as a sum of positive squares in 2 ways, for example, as 824838400 + 2043582436 = 28720^2 + 45206^2 .

It is not an unprimeable number, because it can be changed into a prime (2868420833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122585 + ... + 144096.

It is an arithmetic number, because the mean of its divisors is an integer number (418468505).

Almost surely, 2^2868420836 is an apocalyptic number.

It is an amenable number.

2868420836 is a deficient number, since it is larger than the sum of its proper divisors (2153201224).

2868420836 is a wasteful number, since it uses less digits than its factorization.

2868420836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269374 (or 269372 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The square root of 2868420836 is about 53557.6403139645. The cubic root of 2868420836 is about 1420.8480083229.

The spelling of 2868420836 in words is "two billion, eight hundred sixty-eight million, four hundred twenty thousand, eight hundred thirty-six".