874834143 has 4 divisors (see below), whose sum is σ = 1166445528. Its totient is φ = 583222760.

The previous prime is 874834111. The next prime is 874834151. The reversal of 874834143 is 341438478.

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

It is a cyclic number.

It is not a de Polignac number, because 874834143 - 2⁵ = 874834111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 874834095 and 874834104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874834153) 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, 145805688 + ... + 145805693.

It is an arithmetic number, because the mean of its divisors is an integer number (291611382).

Almost surely, 2^874834143 is an apocalyptic number.

874834143 is a deficient number, since it is larger than the sum of its proper divisors (291611385).

874834143 is a wasteful number, since it uses less digits than its factorization.

874834143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291611384.

The product of its digits is 258048, while the sum is 42.

The square root of 874834143 is about 29577.5952876497. The cubic root of 874834143 is about 956.4051546099.

The spelling of 874834143 in words is "eight hundred seventy-four million, eight hundred thirty-four thousand, one hundred forty-three".