961811767 has 16 divisors (see below), whose sum is σ = 1146101760. Its totient is φ = 789693408.

The previous prime is 961811761. The next prime is 961811779. The reversal of 961811767 is 767118169.

961811767 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-961811767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961811761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7128 + ... + 44434.

It is an arithmetic number, because the mean of its divisors is an integer number (71631360).

Almost surely, 2^961811767 is an apocalyptic number.

961811767 is a deficient number, since it is larger than the sum of its proper divisors (184289993).

961811767 is a wasteful number, since it uses less digits than its factorization.

961811767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37470.

The product of its digits is 127008, while the sum is 46.

The square root of 961811767 is about 31013.0902523434. The cubic root of 961811767 is about 987.1050233034.

It can be divided in two parts, 961811 and 767, that added together give a triangular number (962578 = T₁₃₈₇).

The spelling of 961811767 in words is "nine hundred sixty-one million, eight hundred eleven thousand, seven hundred sixty-seven".