88280028 has 18 divisors (see below), whose sum is σ = 223152384. Its totient is φ = 29426664.

The previous prime is 88279979. The next prime is 88280047. The reversal of 88280028 is 82008288.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2452223 = 88280028 / (8 + 8 + 2 + 8 + 0 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 88279974 and 88280001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226076 + ... + 1226147.

Almost surely, 2^88280028 is an apocalyptic number.

It is an amenable number.

88280028 is an abundant number, since it is smaller than the sum of its proper divisors (134872356).

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

88280028 is a wasteful number, since it uses less digits than its factorization.

88280028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452233 (or 2452228 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 88280028 is about 9395.7452072733. The cubic root of 88280028 is about 445.2673190800.

The spelling of 88280028 in words is "eighty-eight million, two hundred eighty thousand, twenty-eight".