2799872789971 has 8 divisors (see below), whose sum is σ = 2867607372080. Its totient is φ = 2732257356192.

The previous prime is 2799872789947. The next prime is 2799872789977. The reversal of 2799872789971 is 1799872789972.

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 2799872789971 - 2¹³ = 2799872781779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799872789977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29739516 + ... + 29833513.

It is an arithmetic number, because the mean of its divisors is an integer number (358450921510).

Almost surely, 2^{2799872789971} is an apocalyptic number.

2799872789971 is a deficient number, since it is larger than the sum of its proper divisors (67734582109).

2799872789971 is a wasteful number, since it uses less digits than its factorization.

2799872789971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59574165.

The product of its digits is 4032758016, while the sum is 85.

Subtracting from 2799872789971 its reverse (1799872789972), we obtain a palindrome (999999999999).

The spelling of 2799872789971 in words is "two trillion, seven hundred ninety-nine billion, eight hundred seventy-two million, seven hundred eighty-nine thousand, nine hundred seventy-one".