667247882 has 8 divisors (see below), whose sum is σ = 1143853536. Its totient is φ = 285963372.

The previous prime is 667247857. The next prime is 667247891. The reversal of 667247882 is 288742766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 667247882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23830268 + ... + 23830295.

It is an arithmetic number, because the mean of its divisors is an integer number (142981692).

Almost surely, 2^667247882 is an apocalyptic number.

667247882 is a deficient number, since it is larger than the sum of its proper divisors (476605654).

667247882 is a wasteful number, since it uses less digits than its factorization.

667247882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47660572.

The product of its digits is 1806336, while the sum is 50.

The square root of 667247882 is about 25831.1417091851. The cubic root of 667247882 is about 873.8342601762.

The spelling of 667247882 in words is "six hundred sixty-seven million, two hundred forty-seven thousand, eight hundred eighty-two".