961757845 has 8 divisors (see below), whose sum is σ = 1169919576. Its totient is φ = 758866176.

The previous prime is 961757831. The next prime is 961757861. The reversal of 961757845 is 548757169.

It can be written as a sum of positive squares in 4 ways, for example, as 264322564 + 697435281 = 16258^2 + 26409^2 .

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 961757845 - 2¹⁵ = 961725077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 961757792 and 961757801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317112 + ... + 1317841.

It is an arithmetic number, because the mean of its divisors is an integer number (146239947).

Almost surely, 2^961757845 is an apocalyptic number.

It is an amenable number.

961757845 is a deficient number, since it is larger than the sum of its proper divisors (208161731).

961757845 is a wasteful number, since it uses less digits than its factorization.

961757845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635031.

The product of its digits is 2116800, while the sum is 52.

The square root of 961757845 is about 31012.2208975752. The cubic root of 961757845 is about 987.0865762872.

The spelling of 961757845 in words is "nine hundred sixty-one million, seven hundred fifty-seven thousand, eight hundred forty-five".