28792667 has 2 divisors, whose sum is σ = 28792668. Its totient is φ = 28792666.

The previous prime is 28792661. The next prime is 28792669. The reversal of 28792667 is 76629782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28792667 - 2⁸ = 28792411 is a prime.

Together with 28792669, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 28792667 parts by 7588 straight cuts.

It is not a weakly prime, because it can be changed into another prime (28792661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14396333 + 14396334.

It is an arithmetic number, because the mean of its divisors is an integer number (14396334).

Almost surely, 2^28792667 is an apocalyptic number.

28792667 is a deficient number, since it is larger than the sum of its proper divisors (1).

28792667 is an equidigital number, since it uses as much as digits as its factorization.

28792667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 28792667 is about 5365.8798905678. The cubic root of 28792667 is about 306.4977552534.

The spelling of 28792667 in words is "twenty-eight million, seven hundred ninety-two thousand, six hundred sixty-seven".