28797067 has 4 divisors (see below), whose sum is σ = 31012240. Its totient is φ = 26581896.

The previous prime is 28797053. The next prime is 28797071. The reversal of 28797067 is 76079782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28797067 - 2²³ = 20408459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28797367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107567 + ... + 1107592.

It is an arithmetic number, because the mean of its divisors is an integer number (7753060).

Almost surely, 2^28797067 is an apocalyptic number.

28797067 is a deficient number, since it is larger than the sum of its proper divisors (2215173).

28797067 is a wasteful number, since it uses less digits than its factorization.

28797067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215172.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 28797067 is about 5366.2898729010. The cubic root of 28797067 is about 306.5133671154.

The spelling of 28797067 in words is "twenty-eight million, seven hundred ninety-seven thousand, sixty-seven".