820050670 has 16 divisors (see below), whose sum is σ = 1478185920. Its totient is φ = 327554784.

The previous prime is 820050643. The next prime is 820050703. The reversal of 820050670 is 76050028.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50742 + ... + 64921.

It is an arithmetic number, because the mean of its divisors is an integer number (92386620).

Almost surely, 2^820050670 is an apocalyptic number.

820050670 is a deficient number, since it is larger than the sum of its proper divisors (658135250).

820050670 is a wasteful number, since it uses less digits than its factorization.

820050670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116379.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 820050670 is about 28636.5268494627. The cubic root of 820050670 is about 936.0094410315.

The spelling of 820050670 in words is "eight hundred twenty million, fifty thousand, six hundred seventy".