670280811 has 8 divisors (see below), whose sum is σ = 946278864. Its totient is φ = 420568320.

The previous prime is 670280783. The next prime is 670280813. The reversal of 670280811 is 118082076.

It is a happy number.

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

It is not a de Polignac number, because 670280811 - 2⁶ = 670280747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670280813) 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 7 ways as a sum of consecutive naturals, for example, 6571330 + ... + 6571431.

It is an arithmetic number, because the mean of its divisors is an integer number (118284858).

Almost surely, 2^670280811 is an apocalyptic number.

670280811 is a deficient number, since it is larger than the sum of its proper divisors (275998053).

670280811 is a wasteful number, since it uses less digits than its factorization.

670280811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142781.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 670280811 is about 25889.7819805421. The cubic root of 670280811 is about 875.1562435546.

The spelling of 670280811 in words is "six hundred seventy million, two hundred eighty thousand, eight hundred eleven".