27802897471 has 2 divisors, whose sum is σ = 27802897472. Its totient is φ = 27802897470.

The previous prime is 27802897403. The next prime is 27802897489. The reversal of 27802897471 is 17479820872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27802897471 - 2¹¹ = 27802895423 is a prime.

It is a super-3 number, since 3×27802897471³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27802898471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901448735 + 13901448736.

It is an arithmetic number, because the mean of its divisors is an integer number (13901448736).

Almost surely, 2^27802897471 is an apocalyptic number.

27802897471 is a deficient number, since it is larger than the sum of its proper divisors (1).

27802897471 is an equidigital number, since it uses as much as digits as its factorization.

27802897471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 27802897471 in words is "twenty-seven billion, eight hundred two million, eight hundred ninety-seven thousand, four hundred seventy-one".