28840331063 has 2 divisors, whose sum is σ = 28840331064. Its totient is φ = 28840331062.

The previous prime is 28840331033. The next prime is 28840331087. The reversal of 28840331063 is 36013304882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28840331063 - 2¹² = 28840326967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28840331033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14420165531 + 14420165532.

It is an arithmetic number, because the mean of its divisors is an integer number (14420165532).

Almost surely, 2^28840331063 is an apocalyptic number.

28840331063 is a deficient number, since it is larger than the sum of its proper divisors (1).

28840331063 is an equidigital number, since it uses as much as digits as its factorization.

28840331063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 28840331063 in words is "twenty-eight billion, eight hundred forty million, three hundred thirty-one thousand, sixty-three".