71839098984 has 32 divisors (see below), whose sum is σ = 190162321920. Its totient is φ = 22537756416.

The previous prime is 71839098977. The next prime is 71839099061. The reversal of 71839098984 is 48989093817.

It is a super-2 number, since 2×71839098984² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88037704 + ... + 88038519.

It is an arithmetic number, because the mean of its divisors is an integer number (5942572560).

Almost surely, 2^71839098984 is an apocalyptic number.

It is an amenable number.

71839098984 is an abundant number, since it is smaller than the sum of its proper divisors (118323222936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71839098984 is a wasteful number, since it uses less digits than its factorization.

71839098984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176076249 (or 176076245 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 71839098984 in words is "seventy-one billion, eight hundred thirty-nine million, ninety-eight thousand, nine hundred eighty-four".