716845490885 has 16 divisors (see below), whose sum is σ = 874240164720. Its totient is φ = 564166402560.

The previous prime is 716845490873. The next prime is 716845490917. The reversal of 716845490885 is 588094548617.

It can be written as a sum of positive squares in 8 ways, for example, as 24965896036 + 691879594849 = 158006^2 + 831793^2 .

It is not a de Polignac number, because 716845490885 - 2⁸ = 716845490629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2382386 + ... + 2666355.

It is an arithmetic number, because the mean of its divisors is an integer number (54640010295).

Almost surely, 2^716845490885 is an apocalyptic number.

It is an amenable number.

716845490885 is a deficient number, since it is larger than the sum of its proper divisors (157394673835).

716845490885 is a wasteful number, since it uses less digits than its factorization.

716845490885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049208.

The product of its (nonzero) digits is 77414400, while the sum is 65.

The spelling of 716845490885 in words is "seven hundred sixteen billion, eight hundred forty-five million, four hundred ninety thousand, eight hundred eighty-five".