28945888698 has 8 divisors (see below), whose sum is σ = 57891777408. Its totient is φ = 9648629564.

The previous prime is 28945888693. The next prime is 28945888703. The reversal of 28945888698 is 89688854982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28945888693) and next prime (28945888703).

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

28945888698 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28945888693) 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, 2412157386 + ... + 2412157397.

It is an arithmetic number, because the mean of its divisors is an integer number (7236472176).

Almost surely, 2^28945888698 is an apocalyptic number.

28945888698 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.

28945888698 is a wasteful number, since it uses less digits than its factorization.

28945888698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824314788.

The product of its digits is 637009920, while the sum is 75.

The spelling of 28945888698 in words is "twenty-eight billion, nine hundred forty-five million, eight hundred eighty-eight thousand, six hundred ninety-eight".