957987 has 10 divisors (see below), whose sum is σ = 1431188. Its totient is φ = 638604.

The previous prime is 957977. The next prime is 957991. The reversal of 957987 is 789759.

It is not a de Polignac number, because 957987 - 2⁸ = 957731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (957917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5833 + ... + 5994.

2⁹⁵⁷⁹⁸⁷ is an apocalyptic number.

957987 is a deficient number, since it is larger than the sum of its proper divisors (473201).

957987 is a wasteful number, since it uses less digits than its factorization.

957987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839 (or 11830 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 957987 is about 978.7681032809. The cubic root of 957987 is about 98.5794835438.

The spelling of 957987 in words is "nine hundred fifty-seven thousand, nine hundred eighty-seven".