873434999 has 4 divisors (see below), whose sum is σ = 885399936. Its totient is φ = 861470064.

The previous prime is 873434957. The next prime is 873435001. The reversal of 873434999 is 999434378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999434378 = 2 ⋅499717189.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873434999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873434909) 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, 5982359 + ... + 5982504.

It is an arithmetic number, because the mean of its divisors is an integer number (221349984).

Almost surely, 2^873434999 is an apocalyptic number.

873434999 is a deficient number, since it is larger than the sum of its proper divisors (11964937).

873434999 is a wasteful number, since it uses less digits than its factorization.

873434999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964936.

The product of its digits is 5878656, while the sum is 56.

The square root of 873434999 is about 29553.9337314003. The cubic root of 873434999 is about 955.8950150377.

The spelling of 873434999 in words is "eight hundred seventy-three million, four hundred thirty-four thousand, nine hundred ninety-nine".