28110016497 has 8 divisors (see below), whose sum is σ = 37657653280. Its totient is φ = 18651195360.

The previous prime is 28110016489. The next prime is 28110016499. The reversal of 28110016497 is 79461001182.

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

It is not a de Polignac number, because 28110016497 - 2³ = 28110016489 is a prime.

It is a super-4 number, since 4×28110016497⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28110016499) 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, 22203172 + ... + 22204437.

It is an arithmetic number, because the mean of its divisors is an integer number (4707206660).

Almost surely, 2^28110016497 is an apocalyptic number.

It is an amenable number.

28110016497 is a deficient number, since it is larger than the sum of its proper divisors (9547636783).

28110016497 is a wasteful number, since it uses less digits than its factorization.

28110016497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44407823.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 28110016497 in words is "twenty-eight billion, one hundred ten million, sixteen thousand, four hundred ninety-seven".