71989416204 has 24 divisors (see below), whose sum is σ = 170728999728. Its totient is φ = 23603087040.

The previous prime is 71989416193. The next prime is 71989416211. The reversal of 71989416204 is 40261498917.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49172367 + ... + 49173830.

It is an arithmetic number, because the mean of its divisors is an integer number (7113708322).

Almost surely, 2^71989416204 is an apocalyptic number.

It is an amenable number.

71989416204 is an abundant number, since it is smaller than the sum of its proper divisors (98739583524).

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

71989416204 is a wasteful number, since it uses less digits than its factorization.

71989416204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98346265 (or 98346263 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 71989416204 in words is "seventy-one billion, nine hundred eighty-nine million, four hundred sixteen thousand, two hundred four".