7960871865 has 16 divisors (see below), whose sum is σ = 13033614528. Its totient is φ = 4147058496.

The previous prime is 7960871857. The next prime is 7960871869. The reversal of 7960871865 is 5681780697.

7960871865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7960871865 - 2³ = 7960871857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7960871869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6170574 + ... + 6171863.

It is an arithmetic number, because the mean of its divisors is an integer number (814600908).

Almost surely, 2^7960871865 is an apocalyptic number.

It is an amenable number.

7960871865 is a deficient number, since it is larger than the sum of its proper divisors (5072742663).

7960871865 is a wasteful number, since it uses less digits than its factorization.

7960871865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342488.

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

The square root of 7960871865 is about 89223.7180630801. The cubic root of 7960871865 is about 1996.7339915810.

The spelling of 7960871865 in words is "seven billion, nine hundred sixty million, eight hundred seventy-one thousand, eight hundred sixty-five".