26710478613 has 48 divisors (see below), whose sum is σ = 47698560000. Its totient is φ = 14025768192.

The previous prime is 26710478581. The next prime is 26710478617. The reversal of 26710478613 is 31687401762.

26710478613 is a `hidden beast` number, since 26 + 7 + 1 + 0 + 4 + 7 + 8 + 613 = 666.

It is not a de Polignac number, because 26710478613 - 2⁵ = 26710478581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26710478617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109513 + ... + 255761.

It is an arithmetic number, because the mean of its divisors is an integer number (993720000).

Almost surely, 2^26710478613 is an apocalyptic number.

It is an amenable number.

26710478613 is a deficient number, since it is larger than the sum of its proper divisors (20988081387).

26710478613 is a wasteful number, since it uses less digits than its factorization.

26710478613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146498 (or 146495 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 26710478613 in words is "twenty-six billion, seven hundred ten million, four hundred seventy-eight thousand, six hundred thirteen".