874438689 has 4 divisors (see below), whose sum is σ = 1165918256. Its totient is φ = 582959124.

The previous prime is 874438687. The next prime is 874438699. The reversal of 874438689 is 986834478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 874438689 - 2¹ = 874438687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874438687) 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, 145739779 + ... + 145739784.

It is an arithmetic number, because the mean of its divisors is an integer number (291479564).

Almost surely, 2^874438689 is an apocalyptic number.

It is an amenable number.

874438689 is a deficient number, since it is larger than the sum of its proper divisors (291479567).

874438689 is a wasteful number, since it uses less digits than its factorization.

874438689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291479566.

The product of its digits is 9289728, while the sum is 57.

The square root of 874438689 is about 29570.9095057964. The cubic root of 874438689 is about 956.2610239577.

The spelling of 874438689 in words is "eight hundred seventy-four million, four hundred thirty-eight thousand, six hundred eighty-nine".