27802104479 has 2 divisors, whose sum is σ = 27802104480. Its totient is φ = 27802104478.

The previous prime is 27802104373. The next prime is 27802104493. The reversal of 27802104479 is 97440120872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27802104479 - 2¹² = 27802100383 is a prime.

It is a super-2 number, since 2×27802104479² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27802104679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901052239 + 13901052240.

It is an arithmetic number, because the mean of its divisors is an integer number (13901052240).

Almost surely, 2^27802104479 is an apocalyptic number.

27802104479 is a deficient number, since it is larger than the sum of its proper divisors (1).

27802104479 is an equidigital number, since it uses as much as digits as its factorization.

27802104479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 27802104479 in words is "twenty-seven billion, eight hundred two million, one hundred four thousand, four hundred seventy-nine".