27199982322 has 18 divisors (see below), whose sum is σ = 58934811117. Its totient is φ = 9066427536.

The previous prime is 27199982233. The next prime is 27199982339. The reversal of 27199982322 is 22328999172.

It can be written as a sum of positive squares in 2 ways, for example, as 15798227481 + 11401754841 = 125691^2 + 106779^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116619.

It is a super-2 number, since 2×27199982322² (a number of 22 digits) contains 22 as substring.

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, 680278 + ... + 719150.

Almost surely, 2^27199982322 is an apocalyptic number.

27199982322 is an abundant number, since it is smaller than the sum of its proper divisors (31734828795).

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

27199982322 is an frugal number, since it uses more digits than its factorization.

27199982322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77754 (or 38878 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 27199982322 in words is "twenty-seven billion, one hundred ninety-nine million, nine hundred eighty-two thousand, three hundred twenty-two".