71717100852 has 24 divisors (see below), whose sum is σ = 169696804032. Its totient is φ = 23569000000.

The previous prime is 71717100839. The next prime is 71717100901. The reversal of 71717100852 is 25800171717.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 71717100852.

It is a congruent number.

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, 42086649 + ... + 42088352.

It is an arithmetic number, because the mean of its divisors is an integer number (7070700168).

Almost surely, 2^71717100852 is an apocalyptic number.

It is an amenable number.

71717100852 is an abundant number, since it is smaller than the sum of its proper divisors (97979703180).

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

71717100852 is a wasteful number, since it uses less digits than its factorization.

71717100852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84175079 (or 84175077 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 39.

The spelling of 71717100852 in words is "seventy-one billion, seven hundred seventeen million, one hundred thousand, eight hundred fifty-two".