28774677467 has 2 divisors, whose sum is σ = 28774677468. Its totient is φ = 28774677466.

The previous prime is 28774677461. The next prime is 28774677499. The reversal of 28774677467 is 76477647782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28774677467 - 2¹⁸ = 28774415323 is a prime.

It is not a weakly prime, because it can be changed into another prime (28774677461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14387338733 + 14387338734.

It is an arithmetic number, because the mean of its divisors is an integer number (14387338734).

Almost surely, 2^28774677467 is an apocalyptic number.

28774677467 is a deficient number, since it is larger than the sum of its proper divisors (1).

28774677467 is an equidigital number, since it uses as much as digits as its factorization.

28774677467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154893312, while the sum is 65.

The spelling of 28774677467 in words is "twenty-eight billion, seven hundred seventy-four million, six hundred seventy-seven thousand, four hundred sixty-seven".