6870978165 has 32 divisors (see below), whose sum is σ = 11122417152. Its totient is φ = 3621800000.

The previous prime is 6870978161. The next prime is 6870978193. The reversal of 6870978165 is 5618790786.

It is not a de Polignac number, because 6870978165 - 2² = 6870978161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6870978161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486250 + ... + 500180.

It is an arithmetic number, because the mean of its divisors is an integer number (347575536).

Almost surely, 2^6870978165 is an apocalyptic number.

It is an amenable number.

6870978165 is a deficient number, since it is larger than the sum of its proper divisors (4251438987).

6870978165 is a wasteful number, since it uses less digits than its factorization.

6870978165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14321.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 6870978165 is about 82891.3636333726. The cubic root of 6870978165 is about 1901.1053738778.

The spelling of 6870978165 in words is "six billion, eight hundred seventy million, nine hundred seventy-eight thousand, one hundred sixty-five".