957855213 has 24 divisors (see below), whose sum is σ = 1639787968. Its totient is φ = 547344864.

The previous prime is 957855203. The next prime is 957855233. The reversal of 957855213 is 312558759.

957855213 is a `hidden beast` number, since 9 + 578 + 55 + 21 + 3 = 666.

It is not a de Polignac number, because 957855213 - 2¹⁰ = 957854189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (957855203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279856 + ... + 283257.

Almost surely, 2^957855213 is an apocalyptic number.

It is an amenable number.

957855213 is a deficient number, since it is larger than the sum of its proper divisors (681932755).

957855213 is an equidigital number, since it uses as much as digits as its factorization.

957855213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563135 (or 563123 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 957855213 is about 30949.2360648853. The cubic root of 957855213 is about 985.7496292215.

The spelling of 957855213 in words is "nine hundred fifty-seven million, eight hundred fifty-five thousand, two hundred thirteen".