961748787 has 8 divisors (see below), whose sum is σ = 1282607104. Its totient is φ = 641028168.

The previous prime is 961748773. The next prime is 961748789. The reversal of 961748787 is 787847169.

It is a happy number.

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

It is not a de Polignac number, because 961748787 - 2¹¹ = 961746739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961748789) 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, 16843 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (160325888).

Almost surely, 2^961748787 is an apocalyptic number.

961748787 is a deficient number, since it is larger than the sum of its proper divisors (320858317).

961748787 is a wasteful number, since it uses less digits than its factorization.

961748787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68849.

The product of its digits is 4741632, while the sum is 57.

The square root of 961748787 is about 31012.0748580291. The cubic root of 961748787 is about 987.0834774273.

The spelling of 961748787 in words is "nine hundred sixty-one million, seven hundred forty-eight thousand, seven hundred eighty-seven".