71839098983 has 16 divisors (see below), whose sum is σ = 72409334400. Its totient is φ = 71272185600.

The previous prime is 71839098977. The next prime is 71839099061. The reversal of 71839098983 is 38989093817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71839098983 is a prime.

It is a super-2 number, since 2×71839098983² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71839098923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102480533 + ... + 102481233.

It is an arithmetic number, because the mean of its divisors is an integer number (4525583400).

Almost surely, 2^71839098983 is an apocalyptic number.

71839098983 is a deficient number, since it is larger than the sum of its proper divisors (570235417).

71839098983 is a wasteful number, since it uses less digits than its factorization.

71839098983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 71839098983 in words is "seventy-one billion, eight hundred thirty-nine million, ninety-eight thousand, nine hundred eighty-three".