28464502802 has 6 divisors (see below), whose sum is σ = 42697112103. Its totient is φ = 14232132102.

The previous prime is 28464502799. The next prime is 28464502867. The reversal of 28464502802 is 20820546482.

It can be written as a sum of positive squares in only one way, i.e., 14232251401 + 14232251401 = 119299^2 + 119299^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=119299.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28464502802.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 178949 + ... + 298247.

Almost surely, 2^28464502802 is an apocalyptic number.

28464502802 is a deficient number, since it is larger than the sum of its proper divisors (14232609301).

28464502802 is an frugal number, since it uses more digits than its factorization.

28464502802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238600 (or 119301 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 28464502802 in words is "twenty-eight billion, four hundred sixty-four million, five hundred two thousand, eight hundred two".