857374495 has 4 divisors (see below), whose sum is σ = 1028849400. Its totient is φ = 685899592.

The previous prime is 857374451. The next prime is 857374513. The reversal of 857374495 is 594473758.

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 857374495 - 2⁹ = 857373983 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 85737445 + ... + 85737454.

It is an arithmetic number, because the mean of its divisors is an integer number (257212350).

Almost surely, 2^857374495 is an apocalyptic number.

857374495 is a deficient number, since it is larger than the sum of its proper divisors (171474905).

857374495 is a wasteful number, since it uses less digits than its factorization.

857374495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171474904.

The product of its digits is 4233600, while the sum is 52.

The square root of 857374495 is about 29280.9578907521. The cubic root of 857374495 is about 949.9998134810. Note that the first 3 decimals are identical.

The spelling of 857374495 in words is "eight hundred fifty-seven million, three hundred seventy-four thousand, four hundred ninety-five".