26885755778847 has 32 divisors (see below), whose sum is σ = 41117702545920. Its totient is φ = 15307482677760.

The previous prime is 26885755778839. The next prime is 26885755778891. The reversal of 26885755778847 is 74887755758862.

It is not a de Polignac number, because 26885755778847 - 2³ = 26885755778839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26885755778897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14096404 + ... + 15889622.

It is an arithmetic number, because the mean of its divisors is an integer number (1284928204560).

Almost surely, 2^{26885755778847} is an apocalyptic number.

26885755778847 is a deficient number, since it is larger than the sum of its proper divisors (14231946767073).

26885755778847 is a wasteful number, since it uses less digits than its factorization.

26885755778847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795823.

The product of its digits is 59006976000, while the sum is 87.

The spelling of 26885755778847 in words is "twenty-six trillion, eight hundred eighty-five billion, seven hundred fifty-five million, seven hundred seventy-eight thousand, eight hundred forty-seven".