28265877498 has 8 divisors (see below), whose sum is σ = 56531755008. Its totient is φ = 9421959164.

The previous prime is 28265877491. The next prime is 28265877511. The reversal of 28265877498 is 89477856282.

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

28265877498 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28265877491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355489786 + ... + 2355489797.

It is an arithmetic number, because the mean of its divisors is an integer number (7066469376).

Almost surely, 2^28265877498 is an apocalyptic number.

28265877498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28265877498 is a wasteful number, since it uses less digits than its factorization.

28265877498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710979588.

The product of its digits is 108380160, while the sum is 66.

The spelling of 28265877498 in words is "twenty-eight billion, two hundred sixty-five million, eight hundred seventy-seven thousand, four hundred ninety-eight".