21080175327 has 12 divisors (see below), whose sum is σ = 30635948824. Its totient is φ = 13967231760.

The previous prime is 21080175289. The next prime is 21080175359. The reversal of 21080175327 is 72357108012.

21080175327 is a `hidden beast` number, since 2 + 108 + 0 + 17 + 532 + 7 = 666.

It is not a de Polignac number, because 21080175327 - 2²⁰ = 21079126751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21080175291 and 21080175300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21080175527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7183324 + ... + 7186257.

Almost surely, 2^21080175327 is an apocalyptic number.

21080175327 is a deficient number, since it is larger than the sum of its proper divisors (9555773497).

21080175327 is a wasteful number, since it uses less digits than its factorization.

21080175327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14369750 (or 14369747 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 21080175327 in words is "twenty-one billion, eighty million, one hundred seventy-five thousand, three hundred twenty-seven".