71808616750 has 64 divisors (see below), whose sum is σ = 144946646208. Its totient is φ = 26480899200.

The previous prime is 71808616727. The next prime is 71808616751. The reversal of 71808616750 is 5761680817.

It is a junction number, because it is equal to n+sod(n) for n = 71808616694 and 71808616703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71808616751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2674392 + ... + 2701108.

It is an arithmetic number, because the mean of its divisors is an integer number (2264791347).

Almost surely, 2^71808616750 is an apocalyptic number.

71808616750 is an abundant number, since it is smaller than the sum of its proper divisors (73138029458).

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

71808616750 is a wasteful number, since it uses less digits than its factorization.

71808616750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27574 (or 27564 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 71808616750 in words is "seventy-one billion, eight hundred eight million, six hundred sixteen thousand, seven hundred fifty".