6674589687 has 4 divisors (see below), whose sum is σ = 8899452920. Its totient is φ = 4449726456.

The previous prime is 6674589661. The next prime is 6674589703. The reversal of 6674589687 is 7869854766.

6674589687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6674589687 - 2¹⁰ = 6674588663 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 (6674589617) 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, 1112431612 + ... + 1112431617.

It is an arithmetic number, because the mean of its divisors is an integer number (2224863230).

Almost surely, 2^6674589687 is an apocalyptic number.

6674589687 is a deficient number, since it is larger than the sum of its proper divisors (2224863233).

6674589687 is a wasteful number, since it uses less digits than its factorization.

6674589687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224863232.

The product of its digits is 121927680, while the sum is 66.

The square root of 6674589687 is about 81698.1620784703. The cubic root of 6674589687 is about 1882.8173473519.

It can be divided in two parts, 667458 and 9687, that multiplied together give a palindrome (6465665646).

The spelling of 6674589687 in words is "six billion, six hundred seventy-four million, five hundred eighty-nine thousand, six hundred eighty-seven".