28076858107 has 2 divisors, whose sum is σ = 28076858108. Its totient is φ = 28076858106.

The previous prime is 28076858027. The next prime is 28076858137. The reversal of 28076858107 is 70185867082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28076858107 - 2¹⁹ = 28076333819 is a prime.

It is a super-2 number, since 2×28076858107² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28076858137) 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, 14038429053 + 14038429054.

It is an arithmetic number, because the mean of its divisors is an integer number (14038429054).

Almost surely, 2^28076858107 is an apocalyptic number.

28076858107 is a deficient number, since it is larger than the sum of its proper divisors (1).

28076858107 is an equidigital number, since it uses as much as digits as its factorization.

28076858107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 28076858107 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-eight thousand, one hundred seven".