26905887213 has 16 divisors (see below), whose sum is σ = 37883321280. Its totient is φ = 16938889344.

The previous prime is 26905887179. The next prime is 26905887221. The reversal of 26905887213 is 31278850962.

It is not a de Polignac number, because 26905887213 - 2⁸ = 26905886957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26905887413) 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 15 ways as a sum of consecutive naturals, for example, 736206 + ... + 771887.

It is an arithmetic number, because the mean of its divisors is an integer number (2367707580).

Almost surely, 2^26905887213 is an apocalyptic number.

It is an amenable number.

26905887213 is a deficient number, since it is larger than the sum of its proper divisors (10977434067).

26905887213 is a wasteful number, since it uses less digits than its factorization.

26905887213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508428.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 26905887213 in words is "twenty-six billion, nine hundred five million, eight hundred eighty-seven thousand, two hundred thirteen".