28630799 has 2 divisors, whose sum is σ = 28630800. Its totient is φ = 28630798.

The previous prime is 28630793. The next prime is 28630813. The reversal of 28630799 is 99703682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28630799 - 2⁴ = 28630783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28630793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14315399 + 14315400.

It is an arithmetic number, because the mean of its divisors is an integer number (14315400).

Almost surely, 2^28630799 is an apocalyptic number.

28630799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28630799 is an equidigital number, since it uses as much as digits as its factorization.

28630799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 28630799 is about 5350.7755512636. The cubic root of 28630799 is about 305.9223142818.

The spelling of 28630799 in words is "twenty-eight million, six hundred thirty thousand, seven hundred ninety-nine".