961109597 has 8 divisors (see below), whose sum is σ = 1100670336. Its totient is φ = 822113712.

The previous prime is 961109557. The next prime is 961109599. The reversal of 961109597 is 795901169.

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

It is not a de Polignac number, because 961109597 - 2⁸ = 961109341 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 (961109599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137558 + ... + 144375.

It is an arithmetic number, because the mean of its divisors is an integer number (137583792).

Almost surely, 2^961109597 is an apocalyptic number.

It is an amenable number.

961109597 is a deficient number, since it is larger than the sum of its proper divisors (139560739).

961109597 is a wasteful number, since it uses less digits than its factorization.

961109597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282427.

The product of its (nonzero) digits is 153090, while the sum is 47.

The square root of 961109597 is about 31001.7676431522. The cubic root of 961109597 is about 986.8647530496.

The spelling of 961109597 in words is "nine hundred sixty-one million, one hundred nine thousand, five hundred ninety-seven".