474872831 has 4 divisors (see below), whose sum is σ = 475321464. Its totient is φ = 474424200.

The previous prime is 474872821. The next prime is 474872857. The reversal of 474872831 is 138278474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138278474 = 2 ⋅69139237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-474872831 is a prime.

It is a super-2 number, since 2×474872831² = 451008411243909122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474872821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222725 + ... + 224846.

It is an arithmetic number, because the mean of its divisors is an integer number (118830366).

Almost surely, 2^474872831 is an apocalyptic number.

474872831 is a deficient number, since it is larger than the sum of its proper divisors (448633).

474872831 is a wasteful number, since it uses less digits than its factorization.

474872831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448632.

The product of its digits is 301056, while the sum is 44.

The square root of 474872831 is about 21791.5770654627. The cubic root of 474872831 is about 780.1757389467.

The spelling of 474872831 in words is "four hundred seventy-four million, eight hundred seventy-two thousand, eight hundred thirty-one".