959717961 has 12 divisors (see below), whose sum is σ = 1402962288. Its totient is φ = 632102904.

The previous prime is 959717939. The next prime is 959717971. The reversal of 959717961 is 169717959.

It is a happy number.

It is not a de Polignac number, because 959717961 - 2²¹ = 957620809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 959717898 and 959717907.

It is not an unprimeable number, because it can be changed into a prime (959717971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641635 + ... + 643128.

It is an arithmetic number, because the mean of its divisors is an integer number (116913524).

Almost surely, 2^959717961 is an apocalyptic number.

It is an amenable number.

959717961 is a deficient number, since it is larger than the sum of its proper divisors (443244327).

959717961 is a wasteful number, since it uses less digits than its factorization.

959717961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284852 (or 1284849 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 54.

The square root of 959717961 is about 30979.3150505301. The cubic root of 959717961 is about 986.3882136050.

The spelling of 959717961 in words is "nine hundred fifty-nine million, seven hundred seventeen thousand, nine hundred sixty-one".