26780994713 has 32 divisors (see below), whose sum is σ = 30691398528. Its totient is φ = 23154278400.

The previous prime is 26780994637. The next prime is 26780994719. The reversal of 26780994713 is 31749908762.

It is not a de Polignac number, because 26780994713 - 2²² = 26776800409 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26780994719) 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, 2926481 + ... + 2935617.

It is an arithmetic number, because the mean of its divisors is an integer number (959106204).

Almost surely, 2^26780994713 is an apocalyptic number.

It is an amenable number.

26780994713 is a deficient number, since it is larger than the sum of its proper divisors (3910403815).

26780994713 is a wasteful number, since it uses less digits than its factorization.

26780994713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 26780994713 in words is "twenty-six billion, seven hundred eighty million, nine hundred ninety-four thousand, seven hundred thirteen".