961387379 has 8 divisors (see below), whose sum is σ = 964851888. Its totient is φ = 957929760.

The previous prime is 961387369. The next prime is 961387411. The reversal of 961387379 is 973783169.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 961387379 - 2⁴ = 961387363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 961387379.

It is not an unprimeable number, because it can be changed into a prime (961387369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514004 + ... + 515870.

It is an arithmetic number, because the mean of its divisors is an integer number (120606486).

Almost surely, 2^961387379 is an apocalyptic number.

961387379 is a deficient number, since it is larger than the sum of its proper divisors (3464509).

961387379 is a wasteful number, since it uses less digits than its factorization.

961387379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445.

The product of its digits is 1714608, while the sum is 53.

The square root of 961387379 is about 31006.2474188671. The cubic root of 961387379 is about 986.9598191619.

The spelling of 961387379 in words is "nine hundred sixty-one million, three hundred eighty-seven thousand, three hundred seventy-nine".