28472506820063 has 8 divisors (see below), whose sum is σ = 29280429795600. Its totient is φ = 27675428448448.

The previous prime is 28472506819873. The next prime is 28472506820083. The reversal of 28472506820063 is 36002860527482.

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

It is a cyclic number.

It is not a de Polignac number, because 28472506820063 - 2⁸ = 28472506819807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28472506819987 and 28472506820014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28472506820083) 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, 2711145656 + ... + 2711156157.

It is an arithmetic number, because the mean of its divisors is an integer number (3660053724450).

Almost surely, 2^{28472506820063} is an apocalyptic number.

28472506820063 is a deficient number, since it is larger than the sum of its proper divisors (807922975537).

28472506820063 is an equidigital number, since it uses as much as digits as its factorization.

28472506820063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422301961.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 28472506820063 in words is "twenty-eight trillion, four hundred seventy-two billion, five hundred six million, eight hundred twenty thousand, sixty-three".