26256764854 has 4 divisors (see below), whose sum is σ = 39385147284. Its totient is φ = 13128382426.

The previous prime is 26256764839. The next prime is 26256764873. The reversal of 26256764854 is 45846765262.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 26256764795 and 26256764804.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6564191212 + ... + 6564191215.

It is an arithmetic number, because the mean of its divisors is an integer number (9846286821).

Almost surely, 2^26256764854 is an apocalyptic number.

26256764854 is a deficient number, since it is larger than the sum of its proper divisors (13128382430).

26256764854 is a wasteful number, since it uses less digits than its factorization.

26256764854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128382429.

The product of its digits is 19353600, while the sum is 55.

The spelling of 26256764854 in words is "twenty-six billion, two hundred fifty-six million, seven hundred sixty-four thousand, eight hundred fifty-four".