620868179 has 2 divisors, whose sum is σ = 620868180. Its totient is φ = 620868178.

The previous prime is 620868121. The next prime is 620868211. The reversal of 620868179 is 971868026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620868179 - 2²⁸ = 352432723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620868119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310434089 + 310434090.

It is an arithmetic number, because the mean of its divisors is an integer number (310434090).

Almost surely, 2^620868179 is an apocalyptic number.

620868179 is a deficient number, since it is larger than the sum of its proper divisors (1).

620868179 is an equidigital number, since it uses as much as digits as its factorization.

620868179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 620868179 is about 24917.2265511232. The cubic root of 620868179 is about 853.0997223101.

The spelling of 620868179 in words is "six hundred twenty million, eight hundred sixty-eight thousand, one hundred seventy-nine".