716959985 has 16 divisors (see below), whose sum is σ = 985872000. Its totient is φ = 490323456.

The previous prime is 716959981. The next prime is 716960009. The reversal of 716959985 is 589959617.

It is not a de Polignac number, because 716959985 - 2² = 716959981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716959981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13760 + ... + 40289.

It is an arithmetic number, because the mean of its divisors is an integer number (61617000).

Almost surely, 2^716959985 is an apocalyptic number.

It is an amenable number.

716959985 is a deficient number, since it is larger than the sum of its proper divisors (268912015).

716959985 is a wasteful number, since it uses less digits than its factorization.

716959985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54440.

The product of its digits is 6123600, while the sum is 59.

The square root of 716959985 is about 26776.1084737869. The cubic root of 716959985 is about 895.0177310970.

The spelling of 716959985 in words is "seven hundred sixteen million, nine hundred fifty-nine thousand, nine hundred eighty-five".