27345800371 has 2 divisors, whose sum is σ = 27345800372. Its totient is φ = 27345800370.

The previous prime is 27345800311. The next prime is 27345800411. The reversal of 27345800371 is 17300854372.

It is a happy number.

It is an a-pointer prime, because the next prime (27345800411) can be obtained adding 27345800371 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27345800371 - 2²³ = 27337411763 is a prime.

It is not a weakly prime, because it can be changed into another prime (27345800311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13672900185 + 13672900186.

It is an arithmetic number, because the mean of its divisors is an integer number (13672900186).

Almost surely, 2^27345800371 is an apocalyptic number.

27345800371 is a deficient number, since it is larger than the sum of its proper divisors (1).

27345800371 is an equidigital number, since it uses as much as digits as its factorization.

27345800371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 27345800371 in words is "twenty-seven billion, three hundred forty-five million, eight hundred thousand, three hundred seventy-one".