2860171715887 has 4 divisors (see below), whose sum is σ = 2882005087896. Its totient is φ = 2838338343880.

The previous prime is 2860171715851. The next prime is 2860171715923. The reversal of 2860171715887 is 7885171710682.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2860171715851) and next prime (2860171715923).

It is a cyclic number.

It is not a de Polignac number, because 2860171715887 - 2²⁷ = 2860037498159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2860172715887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10916685808 + ... + 10916686069.

It is an arithmetic number, because the mean of its divisors is an integer number (720501271974).

Almost surely, 2^{2860171715887} is an apocalyptic number.

2860171715887 is a deficient number, since it is larger than the sum of its proper divisors (21833372009).

2860171715887 is a wasteful number, since it uses less digits than its factorization.

2860171715887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21833372008.

The product of its (nonzero) digits is 10536960, while the sum is 61.

The spelling of 2860171715887 in words is "two trillion, eight hundred sixty billion, one hundred seventy-one million, seven hundred fifteen thousand, eight hundred eighty-seven".