27072597853 has 24 divisors (see below), whose sum is σ = 32786343000. Its totient is φ = 22262018688.

The previous prime is 27072597841. The next prime is 27072597863. The reversal of 27072597853 is 35879527072.

It can be written as a sum of positive squares in 4 ways, for example, as 290293444 + 26782304409 = 17038^2 + 163653^2 .

It is not a de Polignac number, because 27072597853 - 2¹⁷ = 27072466781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27072597794 and 27072597803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072597863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162423 + ... + 283771.

It is an arithmetic number, because the mean of its divisors is an integer number (1366097625).

Almost surely, 2^27072597853 is an apocalyptic number.

It is an amenable number.

27072597853 is a deficient number, since it is larger than the sum of its proper divisors (5713745147).

27072597853 is a wasteful number, since it uses less digits than its factorization.

27072597853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121549 (or 121542 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 27072597853 in words is "twenty-seven billion, seventy-two million, five hundred ninety-seven thousand, eight hundred fifty-three".