28075097229827 has 2 divisors, whose sum is σ = 28075097229828. Its totient is φ = 28075097229826.

The previous prime is 28075097229733. The next prime is 28075097229887. The reversal of 28075097229827 is 72892279057082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28075097229827 - 2¹² = 28075097225731 is a prime.

It is a super-2 number, since 2×28075097229827² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28075097229887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14037548614913 + 14037548614914.

It is an arithmetic number, because the mean of its divisors is an integer number (14037548614914).

Almost surely, 2^{28075097229827} is an apocalyptic number.

28075097229827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28075097229827 is an equidigital number, since it uses as much as digits as its factorization.

28075097229827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142248960, while the sum is 68.

The spelling of 28075097229827 in words is "twenty-eight trillion, seventy-five billion, ninety-seven million, two hundred twenty-nine thousand, eight hundred twenty-seven".