71324471885 has 32 divisors (see below), whose sum is σ = 91273347072. Its totient is φ = 53380895040.

The previous prime is 71324471833. The next prime is 71324471893. The reversal of 71324471885 is 58817442317.

It is not a de Polignac number, because 71324471885 - 2³⁶ = 2604995149 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9892952 + ... + 9900158.

It is an arithmetic number, because the mean of its divisors is an integer number (2852292096).

Almost surely, 2^71324471885 is an apocalyptic number.

It is an amenable number.

71324471885 is a deficient number, since it is larger than the sum of its proper divisors (19948875187).

71324471885 is a wasteful number, since it uses less digits than its factorization.

71324471885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113.

The product of its digits is 1505280, while the sum is 50.

The spelling of 71324471885 in words is "seventy-one billion, three hundred twenty-four million, four hundred seventy-one thousand, eight hundred eighty-five".