28124802367 has 4 divisors (see below), whose sum is σ = 28520926416. Its totient is φ = 27728678320.

The previous prime is 28124802347. The next prime is 28124802373. The reversal of 28124802367 is 76320842182.

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 28124802367 - 2⁷ = 28124802239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28124802347) 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, 198061918 + ... + 198062059.

It is an arithmetic number, because the mean of its divisors is an integer number (7130231604).

Almost surely, 2^28124802367 is an apocalyptic number.

28124802367 is a deficient number, since it is larger than the sum of its proper divisors (396124049).

28124802367 is an equidigital number, since it uses as much as digits as its factorization.

28124802367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396124048.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 28124802367 in words is "twenty-eight billion, one hundred twenty-four million, eight hundred two thousand, three hundred sixty-seven".