28686476103 has 8 divisors (see below), whose sum is σ = 38371622016. Its totient is φ = 19062823800.

The previous prime is 28686476087. The next prime is 28686476111. The reversal of 28686476103 is 30167468682.

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

It is not a de Polignac number, because 28686476103 - 2⁴ = 28686476087 is a prime.

It is a super-2 number, since 2×28686476103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28686476123) 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, 15372313 + ... + 15374178.

It is an arithmetic number, because the mean of its divisors is an integer number (4796452752).

Almost surely, 2^28686476103 is an apocalyptic number.

28686476103 is a deficient number, since it is larger than the sum of its proper divisors (9685145913).

28686476103 is a wasteful number, since it uses less digits than its factorization.

28686476103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30746805.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 28686476103 in words is "twenty-eight billion, six hundred eighty-six million, four hundred seventy-six thousand, one hundred three".