71717385954 has 16 divisors (see below), whose sum is σ = 151872111648. Its totient is φ = 22499572032.

The previous prime is 71717385947. The next prime is 71717385977. The reversal of 71717385954 is 45958371717.

It is a junction number, because it is equal to n+sod(n) for n = 71717385894 and 71717385903.

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, 351555712 + ... + 351555915.

It is an arithmetic number, because the mean of its divisors is an integer number (9492006978).

Almost surely, 2^71717385954 is an apocalyptic number.

71717385954 is an abundant number, since it is smaller than the sum of its proper divisors (80154725694).

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

71717385954 is a wasteful number, since it uses less digits than its factorization.

71717385954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703111649.

The product of its digits is 7408800, while the sum is 57.

The spelling of 71717385954 in words is "seventy-one billion, seven hundred seventeen million, three hundred eighty-five thousand, nine hundred fifty-four".