28998144015 has 32 divisors (see below), whose sum is σ = 46583285760. Its totient is φ = 15403680384.

The previous prime is 28998144011. The next prime is 28998144017. The reversal of 28998144015 is 51044189982.

It is not a de Polignac number, because 28998144015 - 2² = 28998144011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28998144011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8362312 + ... + 8365778.

It is an arithmetic number, because the mean of its divisors is an integer number (1455727680).

Almost surely, 2^28998144015 is an apocalyptic number.

28998144015 is a deficient number, since it is larger than the sum of its proper divisors (17585141745).

28998144015 is a wasteful number, since it uses less digits than its factorization.

28998144015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 28998144015 in words is "twenty-eight billion, nine hundred ninety-eight million, one hundred forty-four thousand, fifteen".