961234785 has 48 divisors (see below), whose sum is σ = 1936471680. Its totient is φ = 431965440.

The previous prime is 961234777. The next prime is 961234811. The reversal of 961234785 is 587432169.

961234785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 961234785 - 2³ = 961234777 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 961234785.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7276 + ... + 44445.

It is an arithmetic number, because the mean of its divisors is an integer number (40343160).

Almost surely, 2^961234785 is an apocalyptic number.

It is an amenable number.

961234785 is an abundant number, since it is smaller than the sum of its proper divisors (975236895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961234785 is a wasteful number, since it uses less digits than its factorization.

961234785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51798 (or 51795 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 961234785 is about 31003.7866235723. The cubic root of 961234785 is about 986.9075987568.

The spelling of 961234785 in words is "nine hundred sixty-one million, two hundred thirty-four thousand, seven hundred eighty-five".