26884849156 has 81 divisors (see below), whose sum is σ = 53768412607. Its totient is φ = 11753082880.

The previous prime is 26884849153. The next prime is 26884849157. The reversal of 26884849156 is 65194848862.

The square root of 26884849156 is 163966.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10759912900 + 16124936256 = 103730^2 + 126984^2 .

It is a super-2 number, since 2×26884849156² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26884849094 and 26884849103.

It is not an unprimeable number, because it can be changed into a prime (26884849151) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 104610180 + ... + 104610436.

Almost surely, 2^26884849156 is an apocalyptic number.

26884849156 is the 163966-th square number.

It is an amenable number.

26884849156 is a deficient number, since it is larger than the sum of its proper divisors (26883563451).

26884849156 is a wasteful number, since it uses less digits than its factorization.

26884849156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 299 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 61.

The spelling of 26884849156 in words is "twenty-six billion, eight hundred eighty-four million, eight hundred forty-nine thousand, one hundred fifty-six".