26879999907 has 16 divisors (see below), whose sum is σ = 35963010720. Its totient is φ = 17858545152.

The previous prime is 26879999879. The next prime is 26879999917. The reversal of 26879999907 is 70999997862.

It is not a de Polignac number, because 26879999907 - 2¹⁴ = 26879983523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26879999917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2814913 + ... + 2824445.

It is an arithmetic number, because the mean of its divisors is an integer number (2247688170).

Almost surely, 2^26879999907 is an apocalyptic number.

26879999907 is a deficient number, since it is larger than the sum of its proper divisors (9083010813).

26879999907 is a wasteful number, since it uses less digits than its factorization.

26879999907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662.

The product of its (nonzero) digits is 277766496, while the sum is 75.

The spelling of 26879999907 in words is "twenty-six billion, eight hundred seventy-nine million, nine hundred ninety-nine thousand, nine hundred seven".