28425020199 has 8 divisors (see below), whose sum is σ = 37911217152. Its totient is φ = 18944418360.

The previous prime is 28425020191. The next prime is 28425020203. The reversal of 28425020199 is 99102052482.

It is a happy number.

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

It is not a de Polignac number, because 28425020199 - 2³ = 28425020191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28425020199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28425020191) 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, 1386909 + ... + 1407254.

It is an arithmetic number, because the mean of its divisors is an integer number (4738902144).

Almost surely, 2^28425020199 is an apocalyptic number.

28425020199 is a deficient number, since it is larger than the sum of its proper divisors (9486196953).

28425020199 is a wasteful number, since it uses less digits than its factorization.

28425020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797557.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 28425020199 in words is "twenty-eight billion, four hundred twenty-five million, twenty thousand, one hundred ninety-nine".