26859961934 has 12 divisors (see below), whose sum is σ = 43627571856. Its totient is φ = 12396905352.

The previous prime is 26859961879. The next prime is 26859961939. The reversal of 26859961934 is 43916995862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26859961939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39733334 + ... + 39734009.

It is an arithmetic number, because the mean of its divisors is an integer number (3635630988).

Almost surely, 2^26859961934 is an apocalyptic number.

26859961934 is a deficient number, since it is larger than the sum of its proper divisors (16767609922).

26859961934 is a wasteful number, since it uses less digits than its factorization.

26859961934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79467371 (or 79467358 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 62.

The spelling of 26859961934 in words is "twenty-six billion, eight hundred fifty-nine million, nine hundred sixty-one thousand, nine hundred thirty-four".