71394650827 has 16 divisors (see below), whose sum is σ = 73359367200. Its totient is φ = 69440930560.

The previous prime is 71394650813. The next prime is 71394650851. The reversal of 71394650827 is 72805649317.

It is a cyclic number.

It is not a de Polignac number, because 71394650827 - 2⁷ = 71394650699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71394650867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25324824 + ... + 25327642.

It is an arithmetic number, because the mean of its divisors is an integer number (4584960450).

It is a 2-persistent number, because it is pandigital, and so is 2⋅71394650827 = 142789301654, but 3⋅71394650827 = 214183952481 is not.

Almost surely, 2^71394650827 is an apocalyptic number.

71394650827 is a deficient number, since it is larger than the sum of its proper divisors (1964716373).

71394650827 is a wasteful number, since it uses less digits than its factorization.

With its successor (71394650828) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (4526).

71394650827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 71394650827 in words is "seventy-one billion, three hundred ninety-four million, six hundred fifty thousand, eight hundred twenty-seven".