961787594 has 16 divisors (see below), whose sum is σ = 1478937096. Its totient is φ = 468825600.

The previous prime is 961787591. The next prime is 961787609. The reversal of 961787594 is 495787169.

It can be written as a sum of positive squares in 4 ways, for example, as 242206969 + 719580625 = 15563^2 + 26825^2 .

It is not an unprimeable number, because it can be changed into a prime (961787591) 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, 139394 + ... + 146130.

Almost surely, 2^961787594 is an apocalyptic number.

961787594 is a deficient number, since it is larger than the sum of its proper divisors (517149502).

961787594 is a wasteful number, since it uses less digits than its factorization.

961787594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521.

The product of its digits is 3810240, while the sum is 56.

The square root of 961787594 is about 31012.7005273646. The cubic root of 961787594 is about 987.0967536709.

The spelling of 961787594 in words is "nine hundred sixty-one million, seven hundred eighty-seven thousand, five hundred ninety-four".