28057316039 has 2 divisors, whose sum is σ = 28057316040. Its totient is φ = 28057316038.

The previous prime is 28057316033. The next prime is 28057316047. The reversal of 28057316039 is 93061375082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28057316039 - 2²⁸ = 27788880583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28057316033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028658019 + 14028658020.

It is an arithmetic number, because the mean of its divisors is an integer number (14028658020).

Almost surely, 2^28057316039 is an apocalyptic number.

28057316039 is a deficient number, since it is larger than the sum of its proper divisors (1).

28057316039 is an equidigital number, since it uses as much as digits as its factorization.

28057316039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 28057316039 in words is "twenty-eight billion, fifty-seven million, three hundred sixteen thousand, thirty-nine".