670941867 has 16 divisors (see below), whose sum is σ = 910218528. Its totient is φ = 439495680.

The previous prime is 670941863. The next prime is 670941877. The reversal of 670941867 is 768149076.

It is not a de Polignac number, because 670941867 - 2² = 670941863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670941863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294043 + ... + 296315.

It is an arithmetic number, because the mean of its divisors is an integer number (56888658).

Almost surely, 2^670941867 is an apocalyptic number.

670941867 is a deficient number, since it is larger than the sum of its proper divisors (239276661).

670941867 is a wasteful number, since it uses less digits than its factorization.

670941867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 670941867 is about 25902.5455698856. The cubic root of 670941867 is about 875.4438529625.

The spelling of 670941867 in words is "six hundred seventy million, nine hundred forty-one thousand, eight hundred sixty-seven".