28550031527 has 2 divisors, whose sum is σ = 28550031528. Its totient is φ = 28550031526.

The previous prime is 28550031509. The next prime is 28550031551. The reversal of 28550031527 is 72513005582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28550031527 - 2⁸ = 28550031271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28550033527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14275015763 + 14275015764.

It is an arithmetic number, because the mean of its divisors is an integer number (14275015764).

Almost surely, 2^28550031527 is an apocalyptic number.

28550031527 is a deficient number, since it is larger than the sum of its proper divisors (1).

28550031527 is an equidigital number, since it uses as much as digits as its factorization.

28550031527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 28550031527 in words is "twenty-eight billion, five hundred fifty million, thirty-one thousand, five hundred twenty-seven".