27347898384 has 45 divisors (see below), whose sum is σ = 76541686429. Its totient is φ = 9115304640.

The previous prime is 27347898379. The next prime is 27347898397. The reversal of 27347898384 is 48389874372.

The square root of 27347898384 is 165372.

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

27347898384 is a `hidden beast` number, since 2 + 7 + 3 + 478 + 9 + 83 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15632000784 + 11715897600 = 125028^2 + 108240^2 .

It is a super-2 number, since 2×27347898384² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1977574 + ... + 1991354.

Almost surely, 2^27347898384 is an apocalyptic number.

27347898384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

27347898384 is the 165372-nd square number.

It is an amenable number.

27347898384 is an abundant number, since it is smaller than the sum of its proper divisors (49193788045).

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

27347898384 is an frugal number, since it uses more digits than its factorization.

27347898384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27576 (or 13786 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 27347898384 in words is "twenty-seven billion, three hundred forty-seven million, eight hundred ninety-eight thousand, three hundred eighty-four".