1057858669 has 8 divisors (see below), whose sum is σ = 1215247040. Its totient is φ = 902036736.

The previous prime is 1057858651. The next prime is 1057858673. The reversal of 1057858669 is 9668587501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057858669 is a prime.

It is a super-2 number, since 2×1057858669² = 2238129927156903122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057858699) 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 7 ways as a sum of consecutive naturals, for example, 390159 + ... + 392860.

It is an arithmetic number, because the mean of its divisors is an integer number (151905880).

Almost surely, 2^1057858669 is an apocalyptic number.

It is an amenable number.

1057858669 is a deficient number, since it is larger than the sum of its proper divisors (157388371).

1057858669 is an equidigital number, since it uses as much as digits as its factorization.

1057858669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783219.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The square root of 1057858669 is about 32524.7393379255. The cubic root of 1057858669 is about 1018.9257782729.

The spelling of 1057858669 in words is "one billion, fifty-seven million, eight hundred fifty-eight thousand, six hundred sixty-nine".