28005050280502 has 8 divisors (see below), whose sum is σ = 42039375254712. Its totient is φ = 13991925195600.

The previous prime is 28005050280479. The next prime is 28005050280509. The reversal of 28005050280502 is 20508205050082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28005050280509) 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, 5299969024 + ... + 5299974307.

It is an arithmetic number, because the mean of its divisors is an integer number (5254921906839).

Almost surely, 2^{28005050280502} is an apocalyptic number.

28005050280502 is a deficient number, since it is larger than the sum of its proper divisors (14034324974210).

28005050280502 is a wasteful number, since it uses less digits than its factorization.

28005050280502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10599944654.

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 28005050280502 in words is "twenty-eight trillion, five billion, fifty million, two hundred eighty thousand, five hundred two".