961722896 has 40 divisors (see below), whose sum is σ = 1912377600. Its totient is φ = 468250880.

The previous prime is 961722871. The next prime is 961722899. The reversal of 961722896 is 698227169.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (961722899) 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, 470645 + ... + 472683.

It is an arithmetic number, because the mean of its divisors is an integer number (47809440).

Almost surely, 2^961722896 is an apocalyptic number.

It is an amenable number.

961722896 is a deficient number, since it is larger than the sum of its proper divisors (950654704).

961722896 is a wasteful number, since it uses less digits than its factorization.

961722896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2801 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 961722896 is about 31011.6574210409. The cubic root of 961722896 is about 987.0746196716.

The spelling of 961722896 in words is "nine hundred sixty-one million, seven hundred twenty-two thousand, eight hundred ninety-six".