28114943515 has 8 divisors (see below), whose sum is σ = 33741878688. Its totient is φ = 22489323840.

The previous prime is 28114943503. The next prime is 28114943537. The reversal of 28114943515 is 51534941182.

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

It is not a de Polignac number, because 28114943515 - 2¹⁹ = 28114419227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281226 + ... + 367855.

It is an arithmetic number, because the mean of its divisors is an integer number (4217734836).

Almost surely, 2^28114943515 is an apocalyptic number.

28114943515 is a deficient number, since it is larger than the sum of its proper divisors (5626935173).

28114943515 is an equidigital number, since it uses as much as digits as its factorization.

28114943515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657749.

The product of its digits is 172800, while the sum is 43.

The spelling of 28114943515 in words is "twenty-eight billion, one hundred fourteen million, nine hundred forty-three thousand, five hundred fifteen".