28537044799 has 2 divisors, whose sum is σ = 28537044800. Its totient is φ = 28537044798.

The previous prime is 28537044791. The next prime is 28537044919. The reversal of 28537044799 is 99744073582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28537044799 - 2³ = 28537044791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28537044791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14268522399 + 14268522400.

It is an arithmetic number, because the mean of its divisors is an integer number (14268522400).

Almost surely, 2^28537044799 is an apocalyptic number.

28537044799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28537044799 is an equidigital number, since it uses as much as digits as its factorization.

28537044799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 28537044799 in words is "twenty-eight billion, five hundred thirty-seven million, forty-four thousand, seven hundred ninety-nine".