961804788 has 48 divisors (see below), whose sum is σ = 2634140544. Its totient is φ = 267373440.

The previous prime is 961804787. The next prime is 961804817. The reversal of 961804788 is 887408169.

It is a self number, because there is not a number n which added to its sum of digits gives 961804788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961804787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 151623 + ... + 157838.

It is an arithmetic number, because the mean of its divisors is an integer number (54877928).

Almost surely, 2^961804788 is an apocalyptic number.

It is an amenable number.

961804788 is an abundant number, since it is smaller than the sum of its proper divisors (1672335756).

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

961804788 is a wasteful number, since it uses less digits than its factorization.

961804788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309512 (or 309510 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 961804788 is about 31012.9777351353. The cubic root of 961804788 is about 987.1026357875.

The spelling of 961804788 in words is "nine hundred sixty-one million, eight hundred four thousand, seven hundred eighty-eight".