620823079 has 8 divisors (see below), whose sum is σ = 633778992. Its totient is φ = 607913280.

The previous prime is 620823053. The next prime is 620823083. The reversal of 620823079 is 970328026.

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 620823079 - 2¹¹ = 620821031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620823029) 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, 16372 + ... + 38854.

It is an arithmetic number, because the mean of its divisors is an integer number (79222374).

Almost surely, 2^620823079 is an apocalyptic number.

620823079 is a deficient number, since it is larger than the sum of its proper divisors (12955913).

620823079 is a wasteful number, since it uses less digits than its factorization.

620823079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23057.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 620823079 is about 24916.3215383010. The cubic root of 620823079 is about 853.0790653599.

The spelling of 620823079 in words is "six hundred twenty million, eight hundred twenty-three thousand, seventy-nine".