28577422004 has 12 divisors (see below), whose sum is σ = 50016859200. Its totient is φ = 14286890808.

The previous prime is 28577421989. The next prime is 28577422019. The reversal of 28577422004 is 40022477582.

It is an interprime number because it is at equal distance from previous prime (28577421989) and next prime (28577422019).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419414 + ... + 482765.

It is an arithmetic number, because the mean of its divisors is an integer number (4168071600).

Almost surely, 2^28577422004 is an apocalyptic number.

It is an amenable number.

28577422004 is a deficient number, since it is larger than the sum of its proper divisors (21439437196).

28577422004 is a wasteful number, since it uses less digits than its factorization.

28577422004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910102 (or 910100 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

Adding to 28577422004 its reverse (40022477582), we get a palindrome (68599899586).

The spelling of 28577422004 in words is "twenty-eight billion, five hundred seventy-seven million, four hundred twenty-two thousand, four".