28080970803 has 24 divisors (see below), whose sum is σ = 40813220448. Its totient is φ = 18604639872.

The previous prime is 28080970783. The next prime is 28080970811. The reversal of 28080970803 is 30807908082.

It is not a de Polignac number, because 28080970803 - 2⁶ = 28080970739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28080970003) 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, 1652850 + ... + 1669752.

It is an arithmetic number, because the mean of its divisors is an integer number (1700550852).

Almost surely, 2^28080970803 is an apocalyptic number.

28080970803 is a deficient number, since it is larger than the sum of its proper divisors (12732249645).

28080970803 is a wasteful number, since it uses less digits than its factorization.

28080970803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18043 (or 18040 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 28080970803 in words is "twenty-eight billion, eighty million, nine hundred seventy thousand, eight hundred three".