28472502208231 has 8 divisors (see below), whose sum is σ = 28690169785200. Its totient is φ = 28254839483520.

The previous prime is 28472502208147. The next prime is 28472502208247. The reversal of 28472502208231 is 13280220527482.

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 28472502208231 - 2²⁵ = 28472468653799 is a prime.

It is a super-2 number, since 2×28472502208231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28472502208831) 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 7 ways as a sum of consecutive naturals, for example, 11038725 + ... + 13371553.

It is an arithmetic number, because the mean of its divisors is an integer number (3586271223150).

Almost surely, 2^{28472502208231} is an apocalyptic number.

28472502208231 is a deficient number, since it is larger than the sum of its proper divisors (217667576969).

28472502208231 is a wasteful number, since it uses less digits than its factorization.

28472502208231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426129.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 28472502208231 in words is "twenty-eight trillion, four hundred seventy-two billion, five hundred two million, two hundred eight thousand, two hundred thirty-one".