2871865504679 has 8 divisors (see below), whose sum is σ = 2920241033472. Its totient is φ = 2823817946040.

The previous prime is 2871865504663. The next prime is 2871865504751. The reversal of 2871865504679 is 9764055681782.

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 2871865504679 - 2⁴ = 2871865504663 is a prime.

It is a super-2 number, since 2×2871865504679² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871865534679) 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, 81974879 + ... + 82009904.

It is an arithmetic number, because the mean of its divisors is an integer number (365030129184).

Almost surely, 2^{2871865504679} is an apocalyptic number.

2871865504679 is a deficient number, since it is larger than the sum of its proper divisors (48375528793).

2871865504679 is a wasteful number, since it uses less digits than its factorization.

2871865504679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163985077.

The product of its (nonzero) digits is 203212800, while the sum is 68.

The spelling of 2871865504679 in words is "two trillion, eight hundred seventy-one billion, eight hundred sixty-five million, five hundred four thousand, six hundred seventy-nine".