28078703203 has 8 divisors (see below), whose sum is σ = 28548550656. Its totient is φ = 27610921800.

The previous prime is 28078703119. The next prime is 28078703231. The reversal of 28078703203 is 30230787082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28078703203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28078703243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489093 + ... + 543478.

It is an arithmetic number, because the mean of its divisors is an integer number (3568568832).

Almost surely, 2^28078703203 is an apocalyptic number.

28078703203 is a deficient number, since it is larger than the sum of its proper divisors (469847453).

28078703203 is a wasteful number, since it uses less digits than its factorization.

28078703203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033025.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 28078703203 in words is "twenty-eight billion, seventy-eight million, seven hundred three thousand, two hundred three".