28874803 has 2 divisors, whose sum is σ = 28874804. Its totient is φ = 28874802.

The previous prime is 28874761. The next prime is 28874809. The reversal of 28874803 is 30847882.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28874803 is a prime.

It is not a weakly prime, because it can be changed into another prime (28874809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437401 + 14437402.

It is an arithmetic number, because the mean of its divisors is an integer number (14437402).

Almost surely, 2^28874803 is an apocalyptic number.

28874803 is a deficient number, since it is larger than the sum of its proper divisors (1).

28874803 is an equidigital number, since it uses as much as digits as its factorization.

28874803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 28874803 is about 5373.5279844810. The cubic root of 28874803 is about 306.7889242897.

The spelling of 28874803 in words is "twenty-eight million, eight hundred seventy-four thousand, eight hundred three".