474927851 has 4 divisors (see below), whose sum is σ = 495576912. Its totient is φ = 454278792.

The previous prime is 474927841. The next prime is 474927863. The reversal of 474927851 is 158729474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158729474 = 2 ⋅79364737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-474927851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 474927796 and 474927805.

It is not an unprimeable number, because it can be changed into a prime (474927841) 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 3 ways as a sum of consecutive naturals, for example, 10324496 + ... + 10324541.

It is an arithmetic number, because the mean of its divisors is an integer number (123894228).

Almost surely, 2^474927851 is an apocalyptic number.

474927851 is a deficient number, since it is larger than the sum of its proper divisors (20649061).

474927851 is a wasteful number, since it uses less digits than its factorization.

474927851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20649060.

The product of its digits is 564480, while the sum is 47.

The square root of 474927851 is about 21792.8394432667. The cubic root of 474927851 is about 780.2058688458.

The spelling of 474927851 in words is "four hundred seventy-four million, nine hundred twenty-seven thousand, eight hundred fifty-one".