670423899 has 8 divisors (see below), whose sum is σ = 898436880. Its totient is φ = 444680096.

The previous prime is 670423889. The next prime is 670423927. The reversal of 670423899 is 998324076.

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

It is a cyclic number.

It is not a de Polignac number, because 670423899 - 2⁵ = 670423867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670423829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566604 + ... + 567785.

It is an arithmetic number, because the mean of its divisors is an integer number (112304610).

Almost surely, 2^670423899 is an apocalyptic number.

670423899 is a deficient number, since it is larger than the sum of its proper divisors (228012981).

670423899 is a wasteful number, since it uses less digits than its factorization.

670423899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134589.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 670423899 is about 25892.5452398948. The cubic root of 670423899 is about 875.2185136982.

It can be divided in two parts, 6704 and 23899, that added together give a palindrome (30603).

The spelling of 670423899 in words is "six hundred seventy million, four hundred twenty-three thousand, eight hundred ninety-nine".