8260039307985 has 32 divisors (see below), whose sum is σ = 13530612311040. Its totient is φ = 4300613569728.

The previous prime is 8260039307969. The next prime is 8260039307987. The reversal of 8260039307985 is 5897039300628.

It is not a de Polignac number, because 8260039307985 - 2⁴ = 8260039307969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8260039307987) 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, 2195779 + ... + 4619688.

It is an arithmetic number, because the mean of its divisors is an integer number (422831634720).

Almost surely, 2^{8260039307985} is an apocalyptic number.

It is an amenable number.

8260039307985 is a deficient number, since it is larger than the sum of its proper divisors (5270573003055).

8260039307985 is a wasteful number, since it uses less digits than its factorization.

8260039307985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817397.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 8260039307985 in words is "eight trillion, two hundred sixty billion, thirty-nine million, three hundred seven thousand, nine hundred eighty-five".