961774867 has 4 divisors (see below), whose sum is σ = 973362600. Its totient is φ = 950187136.

The previous prime is 961774859. The next prime is 961774873. The reversal of 961774867 is 768477169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768477169 = 1451 ⋅529619.

It is a cyclic number.

It is not a de Polignac number, because 961774867 - 2³ = 961774859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961774267) 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, 5793742 + ... + 5793907.

It is an arithmetic number, because the mean of its divisors is an integer number (243340650).

Almost surely, 2^961774867 is an apocalyptic number.

961774867 is a deficient number, since it is larger than the sum of its proper divisors (11587733).

961774867 is a wasteful number, since it uses less digits than its factorization.

961774867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11587732.

The product of its digits is 3556224, while the sum is 55.

The square root of 961774867 is about 31012.4953365575. The cubic root of 961774867 is about 987.0923996826.

The spelling of 961774867 in words is "nine hundred sixty-one million, seven hundred seventy-four thousand, eight hundred sixty-seven".