961767543 has 16 divisors (see below), whose sum is σ = 1400205312. Its totient is φ = 582360000.

The previous prime is 961767523. The next prime is 961767581. The reversal of 961767543 is 345767169.

It is a happy number.

It is not a de Polignac number, because 961767543 - 2²⁶ = 894658679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 961767492 and 961767501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961767523) 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 15 ways as a sum of consecutive naturals, for example, 25323 + ... + 50643.

It is an arithmetic number, because the mean of its divisors is an integer number (87512832).

Almost surely, 2^961767543 is an apocalyptic number.

961767543 is a deficient number, since it is larger than the sum of its proper divisors (438437769).

961767543 is a wasteful number, since it uses less digits than its factorization.

961767543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26486.

The product of its digits is 952560, while the sum is 48.

The square root of 961767543 is about 31012.3772548961. The cubic root of 961767543 is about 987.0898940778.

The spelling of 961767543 in words is "nine hundred sixty-one million, seven hundred sixty-seven thousand, five hundred forty-three".