28450028702 has 4 divisors (see below), whose sum is σ = 42675043056. Its totient is φ = 14225014350.

The previous prime is 28450028671. The next prime is 28450028707. The reversal of 28450028702 is 20782005482.

It is a happy number.

28450028702 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28450028707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112507174 + ... + 7112507177.

It is an arithmetic number, because the mean of its divisors is an integer number (10668760764).

Almost surely, 2^28450028702 is an apocalyptic number.

28450028702 is a deficient number, since it is larger than the sum of its proper divisors (14225014354).

28450028702 is a wasteful number, since it uses less digits than its factorization.

28450028702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14225014353.

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 28450028702 in words is "twenty-eight billion, four hundred fifty million, twenty-eight thousand, seven hundred two".