965061791 has 4 divisors (see below), whose sum is σ = 965138784. Its totient is φ = 964984800.

The previous prime is 965061751. The next prime is 965061809. The reversal of 965061791 is 197160569.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-965061791 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 (965061751) 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 3 ways as a sum of consecutive naturals, for example, 14855 + ... + 46376.

It is an arithmetic number, because the mean of its divisors is an integer number (241284696).

Almost surely, 2^965061791 is an apocalyptic number.

965061791 is a deficient number, since it is larger than the sum of its proper divisors (76993).

965061791 is a wasteful number, since it uses less digits than its factorization.

965061791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76992.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 965061791 is about 31065.4436794326. The cubic root of 965061791 is about 988.2156038482.

The spelling of 965061791 in words is "nine hundred sixty-five million, sixty-one thousand, seven hundred ninety-one".