28877187827 has 2 divisors, whose sum is σ = 28877187828. Its totient is φ = 28877187826.

The previous prime is 28877187811. The next prime is 28877187847. The reversal of 28877187827 is 72878177882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28877187827 - 2⁴ = 28877187811 is a prime.

It is a super-3 number, since 3×28877187827³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (28877187847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14438593913 + 14438593914.

It is an arithmetic number, because the mean of its divisors is an integer number (14438593914).

Almost surely, 2^28877187827 is an apocalyptic number.

28877187827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28877187827 is an equidigital number, since it uses as much as digits as its factorization.

28877187827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39337984, while the sum is 65.

The spelling of 28877187827 in words is "twenty-eight billion, eight hundred seventy-seven million, one hundred eighty-seven thousand, eight hundred twenty-seven".