27934064761 has 2 divisors, whose sum is σ = 27934064762. Its totient is φ = 27934064760.

The previous prime is 27934064659. The next prime is 27934064779. The reversal of 27934064761 is 16746043972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23791211536 + 4142853225 = 154244^2 + 64365^2 .

It is a cyclic number.

It is not a de Polignac number, because 27934064761 - 2³¹ = 25786581113 is a prime.

It is not a weakly prime, because it can be changed into another prime (27934064261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13967032380 + 13967032381.

It is an arithmetic number, because the mean of its divisors is an integer number (13967032381).

Almost surely, 2^27934064761 is an apocalyptic number.

It is an amenable number.

27934064761 is a deficient number, since it is larger than the sum of its proper divisors (1).

27934064761 is an equidigital number, since it uses as much as digits as its factorization.

27934064761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 27934064761 in words is "twenty-seven billion, nine hundred thirty-four million, sixty-four thousand, seven hundred sixty-one".