26787274848 has 72 divisors (see below), whose sum is σ = 76776231168. Its totient is φ = 8858771712.

The previous prime is 26787274819. The next prime is 26787274859. The reversal of 26787274848 is 84847278762.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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, 329611 + ... + 402762.

It is an arithmetic number, because the mean of its divisors is an integer number (1066336544).

Almost surely, 2^26787274848 is an apocalyptic number.

It is an amenable number.

26787274848 is an abundant number, since it is smaller than the sum of its proper divisors (49988956320).

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

26787274848 is a wasteful number, since it uses less digits than its factorization.

26787274848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732516 (or 732505 counting only the distinct ones).

The product of its digits is 67436544, while the sum is 63.

The spelling of 26787274848 in words is "twenty-six billion, seven hundred eighty-seven million, two hundred seventy-four thousand, eight hundred forty-eight".