26928191875 has 20 divisors (see below), whose sum is σ = 36237900160. Its totient is φ = 19885428000.

The previous prime is 26928191863. The next prime is 26928191923. The reversal of 26928191875 is 57819182962.

It is not a de Polignac number, because 26928191875 - 2⁹ = 26928191363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1648995 + ... + 1665244.

It is an arithmetic number, because the mean of its divisors is an integer number (1811895008).

Almost surely, 2^26928191875 is an apocalyptic number.

26928191875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26928191875 is a deficient number, since it is larger than the sum of its proper divisors (9309708285).

26928191875 is an equidigital number, since it uses as much as digits as its factorization.

26928191875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314272 (or 3314257 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 58.

The spelling of 26928191875 in words is "twenty-six billion, nine hundred twenty-eight million, one hundred ninety-one thousand, eight hundred seventy-five".