28467922979 has 2 divisors, whose sum is σ = 28467922980. Its totient is φ = 28467922978.

The previous prime is 28467922969. The next prime is 28467922981. The reversal of 28467922979 is 97922976482.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28467922979 - 2³² = 24172955683 is a prime.

It is a Sophie Germain prime.

Together with 28467922981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28467922969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14233961489 + 14233961490.

It is an arithmetic number, because the mean of its divisors is an integer number (14233961490).

Almost surely, 2^28467922979 is an apocalyptic number.

28467922979 is a deficient number, since it is larger than the sum of its proper divisors (1).

28467922979 is an equidigital number, since it uses as much as digits as its factorization.

28467922979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 65.

The spelling of 28467922979 in words is "twenty-eight billion, four hundred sixty-seven million, nine hundred twenty-two thousand, nine hundred seventy-nine".