957585661 has 4 divisors (see below), whose sum is σ = 977959872. Its totient is φ = 937211452.

The previous prime is 957585659. The next prime is 957585667. The reversal of 957585661 is 166585759.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 957585661 - 2¹ = 957585659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 957585599 and 957585608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (957585667) 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, 10187035 + ... + 10187128.

It is an arithmetic number, because the mean of its divisors is an integer number (244489968).

Almost surely, 2^957585661 is an apocalyptic number.

It is an amenable number.

957585661 is a deficient number, since it is larger than the sum of its proper divisors (20374211).

957585661 is a wasteful number, since it uses less digits than its factorization.

957585661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20374210.

The product of its digits is 2268000, while the sum is 52.

The square root of 957585661 is about 30944.8810144748. The cubic root of 957585661 is about 985.6571532714.

The spelling of 957585661 in words is "nine hundred fifty-seven million, five hundred eighty-five thousand, six hundred sixty-one".