28436410047 has 16 divisors (see below), whose sum is σ = 38743511040. Its totient is φ = 18543907872.

The previous prime is 28436410043. The next prime is 28436410049. The reversal of 28436410047 is 74001463482.

It is not a de Polignac number, because 28436410047 - 2² = 28436410043 is a prime.

It is a super-2 number, since 2×28436410047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28436409987 and 28436410014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28436410043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201729 + ... + 312357.

It is an arithmetic number, because the mean of its divisors is an integer number (2421469440).

Almost surely, 2^28436410047 is an apocalyptic number.

28436410047 is a deficient number, since it is larger than the sum of its proper divisors (10307100993).

28436410047 is a wasteful number, since it uses less digits than its factorization.

28436410047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112502.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 28436410047 in words is "twenty-eight billion, four hundred thirty-six million, four hundred ten thousand, forty-seven".