6865015952 has 20 divisors (see below), whose sum is σ = 13759623420. Its totient is φ = 3314145408.

The previous prime is 6865015931. The next prime is 6865015961. The reversal of 6865015952 is 2595105686.

It can be written as a sum of positive squares in 2 ways, for example, as 4556790016 + 2308225936 = 67504^2 + 48044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6865015897 and 6865015906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7397183 + ... + 7398110.

It is an arithmetic number, because the mean of its divisors is an integer number (687981171).

Almost surely, 2^6865015952 is an apocalyptic number.

It is an amenable number.

6865015952 is an abundant number, since it is smaller than the sum of its proper divisors (6894607468).

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

6865015952 is a wasteful number, since it uses less digits than its factorization.

6865015952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14795330 (or 14795324 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 6865015952 is about 82855.3918100687. The cubic root of 6865015952 is about 1900.5553272406. Note that the first 3 decimals are identical.

The spelling of 6865015952 in words is "six billion, eight hundred sixty-five million, fifteen thousand, nine hundred fifty-two".