28799316487 has 2 divisors, whose sum is σ = 28799316488. Its totient is φ = 28799316486.

The previous prime is 28799316419. The next prime is 28799316613. The reversal of 28799316487 is 78461399782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28799316487 - 2¹⁹ = 28798792199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28799316187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14399658243 + 14399658244.

It is an arithmetic number, because the mean of its divisors is an integer number (14399658244).

Almost surely, 2^28799316487 is an apocalyptic number.

28799316487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28799316487 is an equidigital number, since it uses as much as digits as its factorization.

28799316487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The spelling of 28799316487 in words is "twenty-eight billion, seven hundred ninety-nine million, three hundred sixteen thousand, four hundred eighty-seven".