26782579263 has 64 divisors (see below), whose sum is σ = 42087817728. Its totient is φ = 14968504320.

The previous prime is 26782579261. The next prime is 26782579267. The reversal of 26782579263 is 36297528762.

It is not a de Polignac number, because 26782579263 - 2¹ = 26782579261 is a prime.

It is a super-3 number, since 3×26782579263³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26782579261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7402831 + ... + 7406447.

It is an arithmetic number, because the mean of its divisors is an integer number (657622152).

Almost surely, 2^26782579263 is an apocalyptic number.

26782579263 is a deficient number, since it is larger than the sum of its proper divisors (15305238465).

26782579263 is a wasteful number, since it uses less digits than its factorization.

26782579263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912.

The product of its digits is 15240960, while the sum is 57.

The spelling of 26782579263 in words is "twenty-six billion, seven hundred eighty-two million, five hundred seventy-nine thousand, two hundred sixty-three".