961787575 has 12 divisors (see below), whose sum is σ = 1362990640. Its totient is φ = 659511360.

The previous prime is 961787521. The next prime is 961787591. The reversal of 961787575 is 575787169.

It is a happy number.

It is not a de Polignac number, because 961787575 - 2¹¹ = 961785527 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2747790 + ... + 2748139.

Almost surely, 2^961787575 is an apocalyptic number.

961787575 is a deficient number, since it is larger than the sum of its proper divisors (401203065).

961787575 is a wasteful number, since it uses less digits than its factorization.

961787575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5495946 (or 5495941 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 55.

The square root of 961787575 is about 31012.7002210385. The cubic root of 961787575 is about 987.0967471709.

The spelling of 961787575 in words is "nine hundred sixty-one million, seven hundred eighty-seven thousand, five hundred seventy-five".