28572471406 has 16 divisors (see below), whose sum is σ = 44252282880. Its totient is φ = 13821940440.

The previous prime is 28572471391. The next prime is 28572471407. The reversal of 28572471406 is 60417427582.

It is a super-2 number, since 2×28572471406² (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 (28572471407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202455 + ... + 313261.

It is an arithmetic number, because the mean of its divisors is an integer number (2765767680).

Almost surely, 2^28572471406 is an apocalyptic number.

28572471406 is a deficient number, since it is larger than the sum of its proper divisors (15679811474).

28572471406 is a wasteful number, since it uses less digits than its factorization.

28572471406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114999.

The product of its (nonzero) digits is 752640, while the sum is 46.

Adding to 28572471406 its reverse (60417427582), we get a palindrome (88989898988).

The spelling of 28572471406 in words is "twenty-eight billion, five hundred seventy-two million, four hundred seventy-one thousand, four hundred six".