28601434203 has 8 divisors (see below), whose sum is σ = 38145762816. Its totient is φ = 19062364200.

The previous prime is 28601434193. The next prime is 28601434207. The reversal of 28601434203 is 30243410682.

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

It is not a de Polignac number, because 28601434203 - 2⁹ = 28601433691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28601434207) 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, 1301943 + ... + 1323728.

It is an arithmetic number, because the mean of its divisors is an integer number (4768220352).

Almost surely, 2^28601434203 is an apocalyptic number.

28601434203 is a deficient number, since it is larger than the sum of its proper divisors (9544328613).

28601434203 is a wasteful number, since it uses less digits than its factorization.

28601434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629305.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 28601434203 its reverse (30243410682), we get a palindrome (58844844885).

The spelling of 28601434203 in words is "twenty-eight billion, six hundred one million, four hundred thirty-four thousand, two hundred three".