71707505500 has 48 divisors (see below), whose sum is σ = 156660888384. Its totient is φ = 28673534400.

The previous prime is 71707505483. The next prime is 71707505539. The reversal of 71707505500 is 550570717.

It is a self number, because there is not a number n which added to its sum of digits gives 71707505500.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1604457 + ... + 1648543.

It is an arithmetic number, because the mean of its divisors is an integer number (3263768508).

Almost surely, 2^71707505500 is an apocalyptic number.

It is an amenable number.

71707505500 is an abundant number, since it is smaller than the sum of its proper divisors (84953382884).

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

71707505500 is a wasteful number, since it uses less digits than its factorization.

71707505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47359 (or 47347 counting only the distinct ones).

The product of its (nonzero) digits is 42875, while the sum is 37.

The spelling of 71707505500 in words is "seventy-one billion, seven hundred seven million, five hundred five thousand, five hundred".