71963415527 has 2 divisors, whose sum is σ = 71963415528. Its totient is φ = 71963415526.

The previous prime is 71963415487. The next prime is 71963415533. The reversal of 71963415527 is 72551436917.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71963415527 - 2⁶ = 71963415463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71963435527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35981707763 + 35981707764.

It is an arithmetic number, because the mean of its divisors is an integer number (35981707764).

Almost surely, 2^71963415527 is an apocalyptic number.

71963415527 is a deficient number, since it is larger than the sum of its proper divisors (1).

71963415527 is an equidigital number, since it uses as much as digits as its factorization.

71963415527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 50.

The spelling of 71963415527 in words is "seventy-one billion, nine hundred sixty-three million, four hundred fifteen thousand, five hundred twenty-seven".