71958078319 has 2 divisors, whose sum is σ = 71958078320. Its totient is φ = 71958078318.

The previous prime is 71958078281. The next prime is 71958078359. The reversal of 71958078319 is 91387085917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71958078319 - 2²³ = 71949689711 is a prime.

It is a super-2 number, since 2×71958078319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71958078359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35979039159 + 35979039160.

It is an arithmetic number, because the mean of its divisors is an integer number (35979039160).

Almost surely, 2^71958078319 is an apocalyptic number.

71958078319 is a deficient number, since it is larger than the sum of its proper divisors (1).

71958078319 is an equidigital number, since it uses as much as digits as its factorization.

71958078319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 58.

The spelling of 71958078319 in words is "seventy-one billion, nine hundred fifty-eight million, seventy-eight thousand, three hundred nineteen".