27602193780841 has 3 divisors (see below), whose sum is σ = 27602199034621. Its totient is φ = 27602188527062.

The previous prime is 27602193780823. The next prime is 27602193780949. The reversal of 27602193780841 is 14808739120672.

The square root of 27602193780841 is 5253779.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 27602193780841 - 2¹⁷ = 27602193649769 is a prime.

It is a super-2 number, since 2×27602193780841² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27602193780241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2626890 + ... + 7880668.

Almost surely, 2^{27602193780841} is an apocalyptic number.

27602193780841 is the 5253779-th square number.

27602193780841 is the 2626890-th centered octagonal number.

It is an amenable number.

27602193780841 is a deficient number, since it is larger than the sum of its proper divisors (5253780).

27602193780841 is an frugal number, since it uses more digits than its factorization.

27602193780841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507558 (or 5253779 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 27602193780841 in words is "twenty-seven trillion, six hundred two billion, one hundred ninety-three million, seven hundred eighty thousand, eight hundred forty-one".