80871399260 has 24 divisors (see below), whose sum is σ = 175686144480. Its totient is φ = 31233091904.

The previous prime is 80871399247. The next prime is 80871399263. The reversal of 80871399260 is 6299317808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80871399263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69716144 + ... + 69717303.

It is an arithmetic number, because the mean of its divisors is an integer number (7320256020).

Almost surely, 2^80871399260 is an apocalyptic number.

It is an amenable number.

80871399260 is an abundant number, since it is smaller than the sum of its proper divisors (94814745220).

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

80871399260 is a wasteful number, since it uses less digits than its factorization.

80871399260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139433485 (or 139433483 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 80871399260 in words is "eighty billion, eight hundred seventy-one million, three hundred ninety-nine thousand, two hundred sixty".