28425080 has 16 divisors (see below), whose sum is σ = 63956520. Its totient is φ = 11370016.

The previous prime is 28425077. The next prime is 28425097. The reversal of 28425080 is 8052482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355274 + ... + 355353.

Almost surely, 2^28425080 is an apocalyptic number.

28425080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28425080 is an abundant number, since it is smaller than the sum of its proper divisors (35531440).

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

28425080 is a wasteful number, since it uses less digits than its factorization.

28425080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710638 (or 710634 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 28425080 is about 5331.5176075860. The cubic root of 28425080 is about 305.1878445116.

The spelling of 28425080 in words is "twenty-eight million, four hundred twenty-five thousand, eighty".