670700811 has 8 divisors (see below), whose sum is σ = 975564864. Its totient is φ = 406485320.

The previous prime is 670700809. The next prime is 670700851. The reversal of 670700811 is 118007076.

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 670700811 - 2¹ = 670700809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670700851) 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, 10162101 + ... + 10162166.

It is an arithmetic number, because the mean of its divisors is an integer number (121945608).

Almost surely, 2^670700811 is an apocalyptic number.

670700811 is a deficient number, since it is larger than the sum of its proper divisors (304864053).

670700811 is a wasteful number, since it uses less digits than its factorization.

670700811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20324281.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 670700811 is about 25897.8920184636. The cubic root of 670700811 is about 875.3389972455.

Adding to 670700811 its reverse (118007076), we get a palindrome (788707887).

The spelling of 670700811 in words is "six hundred seventy million, seven hundred thousand, eight hundred eleven".