26726721047 has 8 divisors (see below), whose sum is σ = 28820455440. Its totient is φ = 24638391360.

The previous prime is 26726721031. The next prime is 26726721053. The reversal of 26726721047 is 74012762762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26726721047 - 2⁴ = 26726721031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26726720989 and 26726721007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26726729047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340897 + ... + 1360682.

It is an arithmetic number, because the mean of its divisors is an integer number (3602556930).

Almost surely, 2^26726721047 is an apocalyptic number.

26726721047 is a deficient number, since it is larger than the sum of its proper divisors (2093734393).

26726721047 is a wasteful number, since it uses less digits than its factorization.

26726721047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702353.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 26726721047 in words is "twenty-six billion, seven hundred twenty-six million, seven hundred twenty-one thousand, forty-seven".