871137074 has 4 divisors (see below), whose sum is σ = 1306705614. Its totient is φ = 435568536.

The previous prime is 871137067. The next prime is 871137077. The reversal of 871137074 is 470731178.

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

It can be written as a sum of positive squares in only one way, i.e., 871135225 + 1849 = 29515^2 + 43^2 .

It is not an unprimeable number, because it can be changed into a prime (871137077) by changing a digit.

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 as a sum of consecutive naturals, namely, 217784267 + ... + 217784270.

Almost surely, 2^871137074 is an apocalyptic number.

871137074 is a deficient number, since it is larger than the sum of its proper divisors (435568540).

871137074 is a wasteful number, since it uses less digits than its factorization.

871137074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435568539.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 871137074 is about 29515.0313230395. The cubic root of 871137074 is about 955.0559889691.

The spelling of 871137074 in words is "eight hundred seventy-one million, one hundred thirty-seven thousand, seventy-four".