28880814293 has 8 divisors (see below), whose sum is σ = 31097986560. Its totient is φ = 26721231040.

The previous prime is 28880814247. The next prime is 28880814307. The reversal of 28880814293 is 39241808882.

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

It is not a de Polignac number, because 28880814293 - 2⁶ = 28880814229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28880514293) 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, 14396213 + ... + 14398218.

It is an arithmetic number, because the mean of its divisors is an integer number (3887248320).

Almost surely, 2^28880814293 is an apocalyptic number.

It is an amenable number.

28880814293 is a deficient number, since it is larger than the sum of its proper divisors (2217172267).

28880814293 is a wasteful number, since it uses less digits than its factorization.

28880814293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28794507.

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 28880814293 in words is "twenty-eight billion, eight hundred eighty million, eight hundred fourteen thousand, two hundred ninety-three".