28692986803 has 12 divisors (see below), whose sum is σ = 31074713208. Its totient is φ = 26481748800.

The previous prime is 28692986779. The next prime is 28692986837. The reversal of 28692986803 is 30868929682.

It is not a de Polignac number, because 28692986803 - 2²¹ = 28690889651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28692986863) 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, 1987176 + ... + 2001562.

It is an arithmetic number, because the mean of its divisors is an integer number (2589559434).

Almost surely, 2^28692986803 is an apocalyptic number.

28692986803 is a deficient number, since it is larger than the sum of its proper divisors (2381726405).

28692986803 is a wasteful number, since it uses less digits than its factorization.

28692986803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214 (or 26201 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 28692986803 in words is "twenty-eight billion, six hundred ninety-two million, nine hundred eighty-six thousand, eight hundred three".