961364773 has 4 divisors (see below), whose sum is σ = 1017915660. Its totient is φ = 904813888.

The previous prime is 961364771. The next prime is 961364791. The reversal of 961364773 is 377463169.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 713050209 + 248314564 = 26703^2 + 15758^2 .

It is a cyclic number.

It is not a de Polignac number, because 961364773 - 2¹ = 961364771 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 (961364771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28275418 + ... + 28275451.

It is an arithmetic number, because the mean of its divisors is an integer number (254478915).

Almost surely, 2^961364773 is an apocalyptic number.

It is an amenable number.

961364773 is a deficient number, since it is larger than the sum of its proper divisors (56550887).

961364773 is a wasteful number, since it uses less digits than its factorization.

961364773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56550886.

The product of its digits is 571536, while the sum is 46.

The square root of 961364773 is about 31005.8828772864. The cubic root of 961364773 is about 986.9520833318.

The spelling of 961364773 in words is "nine hundred sixty-one million, three hundred sixty-four thousand, seven hundred seventy-three".