961578317 has 8 divisors (see below), whose sum is σ = 1136841600. Its totient is φ = 795788784.

The previous prime is 961578307. The next prime is 961578389. The reversal of 961578317 is 713875169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 961578317 - 2⁴ = 961578301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961578307) 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 7 ways as a sum of consecutive naturals, for example, 2368217 + ... + 2368622.

It is an arithmetic number, because the mean of its divisors is an integer number (142105200).

Almost surely, 2^961578317 is an apocalyptic number.

It is an amenable number.

961578317 is a deficient number, since it is larger than the sum of its proper divisors (175263283).

961578317 is a wasteful number, since it uses less digits than its factorization.

961578317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736875.

The product of its digits is 317520, while the sum is 47.

The square root of 961578317 is about 31009.3262906500. The cubic root of 961578317 is about 987.0251537897.

The spelling of 961578317 in words is "nine hundred sixty-one million, five hundred seventy-eight thousand, three hundred seventeen".