28777283 has 2 divisors, whose sum is σ = 28777284. Its totient is φ = 28777282.

The previous prime is 28777249. The next prime is 28777289. The reversal of 28777283 is 38277782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28777283 - 2⁸ = 28777027 is a prime.

It is not a weakly prime, because it can be changed into another prime (28777289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14388641 + 14388642.

It is an arithmetic number, because the mean of its divisors is an integer number (14388642).

Almost surely, 2^28777283 is an apocalyptic number.

28777283 is a deficient number, since it is larger than the sum of its proper divisors (1).

28777283 is an equidigital number, since it uses as much as digits as its factorization.

28777283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 44.

The square root of 28777283 is about 5364.4461969527. The cubic root of 28777283 is about 306.4431580014.

The spelling of 28777283 in words is "twenty-eight million, seven hundred seventy-seven thousand, two hundred eighty-three".