28648037239 has 2 divisors, whose sum is σ = 28648037240. Its totient is φ = 28648037238.

The previous prime is 28648037177. The next prime is 28648037267. The reversal of 28648037239 is 93273084682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28648037239 - 2⁷ = 28648037111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28648037039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14324018619 + 14324018620.

It is an arithmetic number, because the mean of its divisors is an integer number (14324018620).

Almost surely, 2^28648037239 is an apocalyptic number.

28648037239 is a deficient number, since it is larger than the sum of its proper divisors (1).

28648037239 is an equidigital number, since it uses as much as digits as its factorization.

28648037239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 28648037239 in words is "twenty-eight billion, six hundred forty-eight million, thirty-seven thousand, two hundred thirty-nine".