28272754097 has 8 divisors (see below), whose sum is σ = 32566142976. Its totient is φ = 24042971232.

The previous prime is 28272754079. The next prime is 28272754099. The reversal of 28272754097 is 79045727282.

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

It is not a de Polignac number, because 28272754097 - 2⁶ = 28272754033 is a prime.

It is a super-4 number, since 4×28272754097⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28272754099) 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, 15900548 + ... + 15902325.

It is an arithmetic number, because the mean of its divisors is an integer number (4070767872).

Almost surely, 2^28272754097 is an apocalyptic number.

It is an amenable number.

28272754097 is a deficient number, since it is larger than the sum of its proper divisors (4293388879).

28272754097 is a wasteful number, since it uses less digits than its factorization.

28272754097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31803007.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 28272754097 in words is "twenty-eight billion, two hundred seventy-two million, seven hundred fifty-four thousand, ninety-seven".