820370794 has 8 divisors (see below), whose sum is σ = 1270251648. Its totient is φ = 396953580.

The previous prime is 820370773. The next prime is 820370801. The reversal of 820370794 is 497073028.

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

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 3 ways as a sum of consecutive naturals, for example, 6615832 + ... + 6615955.

It is an arithmetic number, because the mean of its divisors is an integer number (158781456).

Almost surely, 2^820370794 is an apocalyptic number.

820370794 is a deficient number, since it is larger than the sum of its proper divisors (449880854).

820370794 is a wasteful number, since it uses less digits than its factorization.

820370794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231820.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 820370794 is about 28642.1157388905. The cubic root of 820370794 is about 936.1312221667.

The spelling of 820370794 in words is "eight hundred twenty million, three hundred seventy thousand, seven hundred ninety-four".