71967087371 has 2 divisors, whose sum is σ = 71967087372. Its totient is φ = 71967087370.

The previous prime is 71967087323. The next prime is 71967087373. The reversal of 71967087371 is 17378076917.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71967087371 is a prime.

It is a Sophie Germain prime.

Together with 71967087373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71967087373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35983543685 + 35983543686.

It is an arithmetic number, because the mean of its divisors is an integer number (35983543686).

Almost surely, 2^71967087371 is an apocalyptic number.

71967087371 is a deficient number, since it is larger than the sum of its proper divisors (1).

71967087371 is an equidigital number, since it uses as much as digits as its factorization.

71967087371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3111696, while the sum is 56.

The spelling of 71967087371 in words is "seventy-one billion, nine hundred sixty-seven million, eighty-seven thousand, three hundred seventy-one".