27800716037 has 2 divisors, whose sum is σ = 27800716038. Its totient is φ = 27800716036.

The previous prime is 27800716033. The next prime is 27800716067. The reversal of 27800716037 is 73061700872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21036311521 + 6764404516 = 145039^2 + 82246^2 .

It is a cyclic number.

It is not a de Polignac number, because 27800716037 - 2² = 27800716033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27800715985 and 27800716003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27800716033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13900358018 + 13900358019.

It is an arithmetic number, because the mean of its divisors is an integer number (13900358019).

Almost surely, 2^27800716037 is an apocalyptic number.

It is an amenable number.

27800716037 is a deficient number, since it is larger than the sum of its proper divisors (1).

27800716037 is an equidigital number, since it uses as much as digits as its factorization.

27800716037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 27800716037 in words is "twenty-seven billion, eight hundred million, seven hundred sixteen thousand, thirty-seven".