857058479 has 16 divisors (see below), whose sum is σ = 920700000. Its totient is φ = 795381120.

The previous prime is 857058467. The next prime is 857058487. The reversal of 857058479 is 974850758.

It is a cyclic number.

It is not a de Polignac number, because 857058479 - 2⁴ = 857058463 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 857058479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857058409) 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 15 ways as a sum of consecutive naturals, for example, 310397 + ... + 313145.

It is an arithmetic number, because the mean of its divisors is an integer number (57543750).

Almost surely, 2^857058479 is an apocalyptic number.

857058479 is a deficient number, since it is larger than the sum of its proper divisors (63641521).

857058479 is a wasteful number, since it uses less digits than its factorization.

857058479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 857058479 is about 29275.5611218641. The cubic root of 857058479 is about 949.8830803477.

The spelling of 857058479 in words is "eight hundred fifty-seven million, fifty-eight thousand, four hundred seventy-nine".