961304787 has 8 divisors (see below), whose sum is σ = 1424155280. Its totient is φ = 640869840.

The previous prime is 961304777. The next prime is 961304801. The reversal of 961304787 is 787403169.

961304787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-961304787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961304717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17801914 + ... + 17801967.

It is an arithmetic number, because the mean of its divisors is an integer number (178019410).

Almost surely, 2^961304787 is an apocalyptic number.

961304787 is a deficient number, since it is larger than the sum of its proper divisors (462850493).

961304787 is a wasteful number, since it uses less digits than its factorization.

961304787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35603890 (or 35603884 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 961304787 is about 31004.9155296382. The cubic root of 961304787 is about 986.9315553835.

The spelling of 961304787 in words is "nine hundred sixty-one million, three hundred four thousand, seven hundred eighty-seven".