28025628001679 has 24 divisors (see below), whose sum is σ = 35567116972416. Its totient is φ = 21836845590000.

The previous prime is 28025628001603. The next prime is 28025628001741. The reversal of 28025628001679 is 97610082652082.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28025628001679 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 (28025628051679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7514654 + ... + 10607604.

It is an arithmetic number, because the mean of its divisors is an integer number (1481963207184).

Almost surely, 2^{28025628001679} is an apocalyptic number.

28025628001679 is a deficient number, since it is larger than the sum of its proper divisors (7541488970737).

28025628001679 is a wasteful number, since it uses less digits than its factorization.

28025628001679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109787 (or 3109780 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 28025628001679 in words is "twenty-eight trillion, twenty-five billion, six hundred twenty-eight million, one thousand, six hundred seventy-nine".