28407964099 has 2 divisors, whose sum is σ = 28407964100. Its totient is φ = 28407964098.

The previous prime is 28407964031. The next prime is 28407964129. The reversal of 28407964099 is 99046970482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28407964099 - 2⁹ = 28407963587 is a prime.

It is not a weakly prime, because it can be changed into another prime (28407964009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14203982049 + 14203982050.

It is an arithmetic number, because the mean of its divisors is an integer number (14203982050).

Almost surely, 2^28407964099 is an apocalyptic number.

28407964099 is a deficient number, since it is larger than the sum of its proper divisors (1).

28407964099 is an equidigital number, since it uses as much as digits as its factorization.

28407964099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 28407964099 in words is "twenty-eight billion, four hundred seven million, nine hundred sixty-four thousand, ninety-nine".