28418034625 has 8 divisors (see below), whose sum is σ = 35465707368. Its totient is φ = 22734427600.

The previous prime is 28418034611. The next prime is 28418034637. The reversal of 28418034625 is 52643081482.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9039445776 + 19378588849 = 95076^2 + 139207^2 .

It is not a de Polignac number, because 28418034625 - 2¹³ = 28418026433 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 113672014 + ... + 113672263.

It is an arithmetic number, because the mean of its divisors is an integer number (4433213421).

Almost surely, 2^28418034625 is an apocalyptic number.

28418034625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28418034625 is a deficient number, since it is larger than the sum of its proper divisors (7047672743).

28418034625 is an equidigital number, since it uses as much as digits as its factorization.

28418034625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227344292 (or 227344282 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 28418034625 in words is "twenty-eight billion, four hundred eighteen million, thirty-four thousand, six hundred twenty-five".