28078820703 has 12 divisors (see below), whose sum is σ = 40562690688. Its totient is φ = 18717185760.

The previous prime is 28078820683. The next prime is 28078820719. The reversal of 28078820703 is 30702887082.

It is not a de Polignac number, because 28078820703 - 2⁶ = 28078820639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28078820753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78783 + ... + 249728.

It is an arithmetic number, because the mean of its divisors is an integer number (3380224224).

Almost surely, 2^28078820703 is an apocalyptic number.

28078820703 is a deficient number, since it is larger than the sum of its proper divisors (12483869985).

28078820703 is a wasteful number, since it uses less digits than its factorization.

28078820703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338014 (or 338011 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 28078820703 in words is "twenty-eight billion, seventy-eight million, eight hundred twenty thousand, seven hundred three".