28110607252 has 24 divisors (see below), whose sum is σ = 60545924096. Its totient is φ = 11120679648.

The previous prime is 28110607249. The next prime is 28110607309. The reversal of 28110607252 is 25270601182.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 38613108 + ... + 38613835.

Almost surely, 2^28110607252 is an apocalyptic number.

It is an amenable number.

28110607252 is an abundant number, since it is smaller than the sum of its proper divisors (32435316844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28110607252 is a wasteful number, since it uses less digits than its factorization.

28110607252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77226967 (or 77226965 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 28110607252 in words is "twenty-eight billion, one hundred ten million, six hundred seven thousand, two hundred fifty-two".