8460879865 has 8 divisors (see below), whose sum is σ = 10190801160. Its totient is φ = 6743540352.

The previous prime is 8460879811. The next prime is 8460879871. The reversal of 8460879865 is 5689780648.

It can be written as a sum of positive squares in 4 ways, for example, as 901620729 + 7559259136 = 30027^2 + 86944^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8460879865 - 2⁷ = 8460879737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143964 + ... + 3146653.

It is an arithmetic number, because the mean of its divisors is an integer number (1273850145).

Almost surely, 2^8460879865 is an apocalyptic number.

It is an amenable number.

8460879865 is a deficient number, since it is larger than the sum of its proper divisors (1729921295).

8460879865 is a wasteful number, since it uses less digits than its factorization.

8460879865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290891.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The square root of 8460879865 is about 91983.0411815135. The cubic root of 8460879865 is about 2037.6918551195.

The spelling of 8460879865 in words is "eight billion, four hundred sixty million, eight hundred seventy-nine thousand, eight hundred sixty-five".