71839098823 has 2 divisors, whose sum is σ = 71839098824. Its totient is φ = 71839098822.

The previous prime is 71839098769. The next prime is 71839098833. The reversal of 71839098823 is 32889093817.

It is a strong prime.

It is an emirp because it is prime and its reverse (32889093817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71839098823 - 2²¹ = 71837001671 is a prime.

It is a super-2 number, since 2×71839098823² (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 (71839098833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35919549411 + 35919549412.

It is an arithmetic number, because the mean of its divisors is an integer number (35919549412).

Almost surely, 2^71839098823 is an apocalyptic number.

71839098823 is a deficient number, since it is larger than the sum of its proper divisors (1).

71839098823 is an equidigital number, since it uses as much as digits as its factorization.

71839098823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 71839098823 in words is "seventy-one billion, eight hundred thirty-nine million, ninety-eight thousand, eight hundred twenty-three".