2864664215 has 12 divisors (see below), whose sum is σ = 3998837736. Its totient is φ = 1964341008.

The previous prime is 2864664211. The next prime is 2864664217. The reversal of 2864664215 is 5124664682.

It is not a de Polignac number, because 2864664215 - 2² = 2864664211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864664211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5846009 + ... + 5846498.

It is an arithmetic number, because the mean of its divisors is an integer number (333236478).

Almost surely, 2^2864664215 is an apocalyptic number.

2864664215 is a deficient number, since it is larger than the sum of its proper divisors (1134173521).

2864664215 is a wasteful number, since it uses less digits than its factorization.

2864664215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11692526 (or 11692519 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 2864664215 is about 53522.5580012764. The cubic root of 2864664215 is about 1420.2274671973.

The spelling of 2864664215 in words is "two billion, eight hundred sixty-four million, six hundred sixty-four thousand, two hundred fifteen".