26497868275 has 24 divisors (see below), whose sum is σ = 33274589040. Its totient is φ = 20929443840.

The previous prime is 26497868251. The next prime is 26497868297. The reversal of 26497868275 is 57286879462.

It is a de Polignac number, because none of the positive numbers 2^k-26497868275 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4331619 + ... + 4337731.

It is an arithmetic number, because the mean of its divisors is an integer number (1386441210).

Almost surely, 2^26497868275 is an apocalyptic number.

26497868275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26497868275 is a deficient number, since it is larger than the sum of its proper divisors (6776720765).

26497868275 is a wasteful number, since it uses less digits than its factorization.

26497868275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295 (or 8290 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 64.

The spelling of 26497868275 in words is "twenty-six billion, four hundred ninety-seven million, eight hundred sixty-eight thousand, two hundred seventy-five".