871667434 has 16 divisors (see below), whose sum is σ = 1426836960. Its totient is φ = 396081360.

The previous prime is 871667429. The next prime is 871667453. The reversal of 871667434 is 434766178.

It is a super-2 number, since 2×871667434² = 1519608230992288712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99712 + ... + 108100.

It is an arithmetic number, because the mean of its divisors is an integer number (89177310).

Almost surely, 2^871667434 is an apocalyptic number.

871667434 is a deficient number, since it is larger than the sum of its proper divisors (555169526).

871667434 is a wasteful number, since it uses less digits than its factorization.

871667434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125.

The product of its digits is 677376, while the sum is 46.

The square root of 871667434 is about 29524.0145305478. The cubic root of 871667434 is about 955.2497666387.

The spelling of 871667434 in words is "eight hundred seventy-one million, six hundred sixty-seven thousand, four hundred thirty-four".