871321474 has 4 divisors (see below), whose sum is σ = 1306982214. Its totient is φ = 435660736.

The previous prime is 871321469. The next prime is 871321483. The reversal of 871321474 is 474123178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474123178 = 2 ⋅237061589.

It can be written as a sum of positive squares in only one way, i.e., 843495849 + 27825625 = 29043^2 + 5275^2 .

It is a super-2 number, since 2×871321474² = 1518402222107065352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217830367 + ... + 217830370.

Almost surely, 2^871321474 is an apocalyptic number.

871321474 is a deficient number, since it is larger than the sum of its proper divisors (435660740).

871321474 is a wasteful number, since it uses less digits than its factorization.

871321474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435660739.

The product of its digits is 37632, while the sum is 37.

The square root of 871321474 is about 29518.1549897686. The cubic root of 871321474 is about 955.1233721264.

The spelling of 871321474 in words is "eight hundred seventy-one million, three hundred twenty-one thousand, four hundred seventy-four".