47661244427 has 2 divisors, whose sum is σ = 47661244428. Its totient is φ = 47661244426.

The previous prime is 47661244399. The next prime is 47661244471. The reversal of 47661244427 is 72444216674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47661244427 - 2¹⁰ = 47661243403 is a prime.

It is not a weakly prime, because it can be changed into another prime (47661241427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23830622213 + 23830622214.

It is an arithmetic number, because the mean of its divisors is an integer number (23830622214).

Almost surely, 2^47661244427 is an apocalyptic number.

47661244427 is a deficient number, since it is larger than the sum of its proper divisors (1).

47661244427 is an equidigital number, since it uses as much as digits as its factorization.

47661244427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 47.

The spelling of 47661244427 in words is "forty-seven billion, six hundred sixty-one million, two hundred forty-four thousand, four hundred twenty-seven".