28112476403 has 16 divisors (see below), whose sum is σ = 31403763072. Its totient is φ = 24944640000.

The previous prime is 28112476331. The next prime is 28112476417. The reversal of 28112476403 is 30467421182.

It is a cyclic number.

It is not a de Polignac number, because 28112476403 - 2¹⁰ = 28112475379 is a prime.

It is a super-4 number, since 4×28112476403⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (28112476423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665843 + ... + 706803.

It is an arithmetic number, because the mean of its divisors is an integer number (1962735192).

Almost surely, 2^28112476403 is an apocalyptic number.

28112476403 is a deficient number, since it is larger than the sum of its proper divisors (3291286669).

28112476403 is a wasteful number, since it uses less digits than its factorization.

28112476403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42466.

The product of its (nonzero) digits is 64512, while the sum is 38.

Adding to 28112476403 its reverse (30467421182), we get a palindrome (58579897585).

The spelling of 28112476403 in words is "twenty-eight billion, one hundred twelve million, four hundred seventy-six thousand, four hundred three".