957821063 has 4 divisors (see below), whose sum is σ = 960663600. Its totient is φ = 954978528.

The previous prime is 957821017. The next prime is 957821069. The reversal of 957821063 is 360128759.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 957821063 - 2⁸ = 957820807 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 957821063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (957821069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420763 + ... + 1421436.

It is an arithmetic number, because the mean of its divisors is an integer number (240165900).

Almost surely, 2^957821063 is an apocalyptic number.

957821063 is a deficient number, since it is larger than the sum of its proper divisors (2842537).

957821063 is a wasteful number, since it uses less digits than its factorization.

957821063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842536.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 957821063 is about 30948.6843500657. The cubic root of 957821063 is about 985.7379142464.

The spelling of 957821063 in words is "nine hundred fifty-seven million, eight hundred twenty-one thousand, sixty-three".