2868215895 has 24 divisors (see below), whose sum is σ = 4973248800. Its totient is φ = 1529199936.

The previous prime is 2868215891. The next prime is 2868215939. The reversal of 2868215895 is 5985128682.

It is a happy number.

2868215895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2868215895 - 2² = 2868215891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868215891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151201 + ... + 169109.

It is an arithmetic number, because the mean of its divisors is an integer number (207218700).

Almost surely, 2^2868215895 is an apocalyptic number.

2868215895 is a deficient number, since it is larger than the sum of its proper divisors (2105032905).

2868215895 is a wasteful number, since it uses less digits than its factorization.

2868215895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21479 (or 21476 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 2868215895 is about 53555.7270046818. The cubic root of 2868215895 is about 1420.8141689198.

The spelling of 2868215895 in words is "two billion, eight hundred sixty-eight million, two hundred fifteen thousand, eight hundred ninety-five".