71647620227 has 2 divisors, whose sum is σ = 71647620228. Its totient is φ = 71647620226.

The previous prime is 71647620203. The next prime is 71647620251. The reversal of 71647620227 is 72202674617.

It is a balanced prime because it is at equal distance from previous prime (71647620203) and next prime (71647620251).

It is a cyclic number.

It is not a de Polignac number, because 71647620227 - 2¹⁴ = 71647603843 is a prime.

It is not a weakly prime, because it can be changed into another prime (71647620257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35823810113 + 35823810114.

It is an arithmetic number, because the mean of its divisors is an integer number (35823810114).

Almost surely, 2^71647620227 is an apocalyptic number.

71647620227 is a deficient number, since it is larger than the sum of its proper divisors (1).

71647620227 is an equidigital number, since it uses as much as digits as its factorization.

71647620227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 71647620227 in words is "seventy-one billion, six hundred forty-seven million, six hundred twenty thousand, two hundred twenty-seven".