28025558028049 has 8 divisors (see below), whose sum is σ = 29147435115392. Its totient is φ = 26925050028240.

The previous prime is 28025558028001. The next prime is 28025558028107. The reversal of 28025558028049 is 94082085552082.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28025558028049 - 2⁷ = 28025558027921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28025558027984 and 28025558028002.

It is not an unprimeable number, because it can be changed into a prime (28025558028449) 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, 5342269209 + ... + 5342274454.

It is an arithmetic number, because the mean of its divisors is an integer number (3643429389424).

Almost surely, 2^{28025558028049} is an apocalyptic number.

It is an amenable number.

28025558028049 is a deficient number, since it is larger than the sum of its proper divisors (1121877087343).

28025558028049 is a wasteful number, since it uses less digits than its factorization.

28025558028049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684543767.

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 28025558028049 in words is "twenty-eight trillion, twenty-five billion, five hundred fifty-eight million, twenty-eight thousand, forty-nine".