1057785853 has 4 divisors (see below), whose sum is σ = 1082385568. Its totient is φ = 1033186140.

The previous prime is 1057785829. The next prime is 1057785857. The reversal of 1057785853 is 3585877501.

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 1057785853 - 2²⁵ = 1024231421 is a prime.

It is a super-2 number, since 2×1057785853² = 2237821821613875218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1057785797 and 1057785806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057785857) 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 3 ways as a sum of consecutive naturals, for example, 12299793 + ... + 12299878.

It is an arithmetic number, because the mean of its divisors is an integer number (270596392).

Almost surely, 2^1057785853 is an apocalyptic number.

It is an amenable number.

1057785853 is a deficient number, since it is larger than the sum of its proper divisors (24599715).

1057785853 is an equidigital number, since it uses as much as digits as its factorization.

1057785853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24599714.

The product of its (nonzero) digits is 1176000, while the sum is 49.

The square root of 1057785853 is about 32523.6199246025. The cubic root of 1057785853 is about 1018.9023990308.

The spelling of 1057785853 in words is "one billion, fifty-seven million, seven hundred eighty-five thousand, eight hundred fifty-three".