855748574 has 4 divisors (see below), whose sum is σ = 1283622864. Its totient is φ = 427874286.

The previous prime is 855748561. The next prime is 855748591. The reversal of 855748574 is 475847558.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 213937142 + ... + 213937145.

It is an arithmetic number, because the mean of its divisors is an integer number (320905716).

Almost surely, 2^855748574 is an apocalyptic number.

855748574 is a deficient number, since it is larger than the sum of its proper divisors (427874290).

855748574 is a wasteful number, since it uses less digits than its factorization.

855748574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427874289.

The product of its digits is 6272000, while the sum is 53.

The square root of 855748574 is about 29253.1805792122. The cubic root of 855748574 is about 949.3989083954.

The spelling of 855748574 in words is "eight hundred fifty-five million, seven hundred forty-eight thousand, five hundred seventy-four".