26789604804 has 36 divisors (see below), whose sum is σ = 70053279660. Its totient is φ = 8621941440.

The previous prime is 26789604763. The next prime is 26789604823. The reversal of 26789604804 is 40840698762.

26789604804 is a `hidden beast` number, since 2 + 6 + 78 + 96 + 0 + 480 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9673115904 + 17116488900 = 98352^2 + 130830^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12829227 + ... + 12831314.

It is an arithmetic number, because the mean of its divisors is an integer number (1945924435).

Almost surely, 2^26789604804 is an apocalyptic number.

It is an amenable number.

26789604804 is an abundant number, since it is smaller than the sum of its proper divisors (43263674856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26789604804 is a wasteful number, since it uses less digits than its factorization.

26789604804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25660580 (or 25660575 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 26789604804 in words is "twenty-six billion, seven hundred eighty-nine million, six hundred four thousand, eight hundred four".