228658979177999 has 2 divisors, whose sum is σ = 228658979178000. Its totient is φ = 228658979177998.

The previous prime is 228658979177983. The next prime is 228658979178013. The reversal of 228658979177999 is 999771979856822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228658979177999 - 2⁴ = 228658979177983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228658979177099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114329489588999 + 114329489589000.

It is an arithmetic number, because the mean of its divisors is an integer number (114329489589000).

Almost surely, 2^{228658979177999} is an apocalyptic number.

228658979177999 is a deficient number, since it is larger than the sum of its proper divisors (1).

228658979177999 is an equidigital number, since it uses as much as digits as its factorization.

228658979177999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155549237760, while the sum is 98.

The spelling of 228658979177999 in words is "two hundred twenty-eight trillion, six hundred fifty-eight billion, nine hundred seventy-nine million, one hundred seventy-seven thousand, nine hundred ninety-nine".