2865815852 has 6 divisors (see below), whose sum is σ = 5015177748. Its totient is φ = 1432907924.

The previous prime is 2865815839. The next prime is 2865815861. The reversal of 2865815852 is 2585185682.

It is a self number, because there is not a number n which added to its sum of digits gives 2865815852.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358226978 + ... + 358226985.

It is an arithmetic number, because the mean of its divisors is an integer number (835862958).

Almost surely, 2^2865815852 is an apocalyptic number.

It is an amenable number.

2865815852 is a deficient number, since it is larger than the sum of its proper divisors (2149361896).

2865815852 is a wasteful number, since it uses less digits than its factorization.

2865815852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716453967 (or 716453965 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 50.

The square root of 2865815852 is about 53533.3153466138. The cubic root of 2865815852 is about 1420.4177591186.

The spelling of 2865815852 in words is "two billion, eight hundred sixty-five million, eight hundred fifteen thousand, eight hundred fifty-two".