28677950167 has 2 divisors, whose sum is σ = 28677950168. Its totient is φ = 28677950166.

The previous prime is 28677950149. The next prime is 28677950221. The reversal of 28677950167 is 76105977682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28677950167 - 2¹⁹ = 28677425879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28677950107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14338975083 + 14338975084.

It is an arithmetic number, because the mean of its divisors is an integer number (14338975084).

Almost surely, 2^28677950167 is an apocalyptic number.

28677950167 is a deficient number, since it is larger than the sum of its proper divisors (1).

28677950167 is an equidigital number, since it uses as much as digits as its factorization.

28677950167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 28677950167 in words is "twenty-eight billion, six hundred seventy-seven million, nine hundred fifty thousand, one hundred sixty-seven".