28109086301 has 24 divisors (see below), whose sum is σ = 29836517760. Its totient is φ = 26475134400.

The previous prime is 28109086297. The next prime is 28109086309. The reversal of 28109086301 is 10368090182.

It is not a de Polignac number, because 28109086301 - 2² = 28109086297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28109086309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21772466 + ... + 21773756.

It is an arithmetic number, because the mean of its divisors is an integer number (1243188240).

Almost surely, 2^28109086301 is an apocalyptic number.

It is an amenable number.

28109086301 is a deficient number, since it is larger than the sum of its proper divisors (1727431459).

28109086301 is a wasteful number, since it uses less digits than its factorization.

28109086301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 28109086301 in words is "twenty-eight billion, one hundred nine million, eighty-six thousand, three hundred one".