28100296427 has 8 divisors (see below), whose sum is σ = 32982587616. Its totient is φ = 23434996032.

The previous prime is 28100296423. The next prime is 28100296439. The reversal of 28100296427 is 72469200182.

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

It is not a de Polignac number, because 28100296427 - 2² = 28100296423 is a prime.

It is a super-3 number, since 3×28100296427³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28100296423) 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, 54247418 + ... + 54247935.

It is an arithmetic number, because the mean of its divisors is an integer number (4122823452).

Almost surely, 2^28100296427 is an apocalyptic number.

28100296427 is a deficient number, since it is larger than the sum of its proper divisors (4882291189).

28100296427 is a wasteful number, since it uses less digits than its factorization.

28100296427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108495397.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 28100296427 in words is "twenty-eight billion, one hundred million, two hundred ninety-six thousand, four hundred twenty-seven".