26579287056 has 80 divisors (see below), whose sum is σ = 78705371264. Its totient is φ = 7571515392.

The previous prime is 26579287039. The next prime is 26579287057. The reversal of 26579287056 is 65078297562.

It is a junction number, because it is equal to n+sod(n) for n = 26579286987 and 26579287005.

It is not an unprimeable number, because it can be changed into a prime (26579287057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135 + ... + 230598.

Almost surely, 2^26579287056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26579287056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39352685632).

26579287056 is an abundant number, since it is smaller than the sum of its proper divisors (52126084208).

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

26579287056 is a wasteful number, since it uses less digits than its factorization.

26579287056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235088 (or 235082 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 26579287056 in words is "twenty-six billion, five hundred seventy-nine million, two hundred eighty-seven thousand, fifty-six".