961804811 has 8 divisors (see below), whose sum is σ = 1058528304. Its totient is φ = 866629120.

The previous prime is 961804787. The next prime is 961804817. The reversal of 961804811 is 118408169.

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

It is a cyclic number.

It is not a de Polignac number, because 961804811 - 2²⁶ = 894695947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961804817) 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, 385646 + ... + 388131.

It is an arithmetic number, because the mean of its divisors is an integer number (132316038).

Almost surely, 2^961804811 is an apocalyptic number.

961804811 is a deficient number, since it is larger than the sum of its proper divisors (96723493).

961804811 is a wasteful number, since it uses less digits than its factorization.

961804811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773901.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 961804811 is about 31012.9781059478. The cubic root of 961804811 is about 987.1026436558.

The spelling of 961804811 in words is "nine hundred sixty-one million, eight hundred four thousand, eight hundred eleven".