28876967 has 4 divisors (see below), whose sum is σ = 33002256. Its totient is φ = 24751680.

The previous prime is 28876963. The next prime is 28877021. The reversal of 28876967 is 76967882.

It is a happy number.

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 28876967 - 2² = 28876963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28876963) 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, 2062634 + ... + 2062647.

It is an arithmetic number, because the mean of its divisors is an integer number (8250564).

Almost surely, 2^28876967 is an apocalyptic number.

28876967 is a deficient number, since it is larger than the sum of its proper divisors (4125289).

28876967 is an equidigital number, since it uses as much as digits as its factorization.

28876967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125288.

The product of its digits is 2032128, while the sum is 53.

The square root of 28876967 is about 5373.7293381785. The cubic root of 28876967 is about 306.7965881186.

The spelling of 28876967 in words is "twenty-eight million, eight hundred seventy-six thousand, nine hundred sixty-seven".