28195389699036 has 48 divisors (see below), whose sum is σ = 75214246458624. Its totient is φ = 8052981993216.

The previous prime is 28195389699031. The next prime is 28195389699047. The reversal of 28195389699036 is 63099698359182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28195389699031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59003010 + ... + 59478953.

It is an arithmetic number, because the mean of its divisors is an integer number (1566963467888).

Almost surely, 2^{28195389699036} is an apocalyptic number.

It is an amenable number.

28195389699036 is an abundant number, since it is smaller than the sum of its proper divisors (47018856759588).

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

28195389699036 is a wasteful number, since it uses less digits than its factorization.

28195389699036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118484810 (or 118484808 counting only the distinct ones).

The product of its (nonzero) digits is 1360488960, while the sum is 78.

The spelling of 28195389699036 in words is "twenty-eight trillion, one hundred ninety-five billion, three hundred eighty-nine million, six hundred ninety-nine thousand, thirty-six".