71958078043 has 2 divisors, whose sum is σ = 71958078044. Its totient is φ = 71958078042.

The previous prime is 71958078011. The next prime is 71958078053. The reversal of 71958078043 is 34087085917.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71958078043 - 2⁵ = 71958078011 is a prime.

It is not a weakly prime, because it can be changed into another prime (71958078053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35979039021 + 35979039022.

It is an arithmetic number, because the mean of its divisors is an integer number (35979039022).

Almost surely, 2^71958078043 is an apocalyptic number.

71958078043 is a deficient number, since it is larger than the sum of its proper divisors (1).

71958078043 is an equidigital number, since it uses as much as digits as its factorization.

71958078043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 71958078043 in words is "seventy-one billion, nine hundred fifty-eight million, seventy-eight thousand, forty-three".