670794827 has 4 divisors (see below), whose sum is σ = 670983600. Its totient is φ = 670606056.

The previous prime is 670794811. The next prime is 670794841. The reversal of 670794827 is 728497076.

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

It is a cyclic number.

It is not a de Polignac number, because 670794827 - 2⁴ = 670794811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670994827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88952 + ... + 96197.

It is an arithmetic number, because the mean of its divisors is an integer number (167745900).

Almost surely, 2^670794827 is an apocalyptic number.

670794827 is a deficient number, since it is larger than the sum of its proper divisors (188773).

670794827 is a wasteful number, since it uses less digits than its factorization.

670794827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188772.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 670794827 is about 25899.7070832857. The cubic root of 670794827 is about 875.3798957728.

The spelling of 670794827 in words is "six hundred seventy million, seven hundred ninety-four thousand, eight hundred twenty-seven".