28427909119 has 8 divisors (see below), whose sum is σ = 28487733408. Its totient is φ = 28368130560.

The previous prime is 28427909113. The next prime is 28427909131. The reversal of 28427909119 is 91190972482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28427909119 - 2⁵ = 28427909087 is a prime.

It is a super-2 number, since 2×28427909119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28427909113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415919 + ... + 1435855.

It is an arithmetic number, because the mean of its divisors is an integer number (3560966676).

Almost surely, 2^28427909119 is an apocalyptic number.

28427909119 is a deficient number, since it is larger than the sum of its proper divisors (59824289).

28427909119 is a wasteful number, since it uses less digits than its factorization.

28427909119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22865.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 28427909119 in words is "twenty-eight billion, four hundred twenty-seven million, nine hundred nine thousand, one hundred nineteen".