28080063 has 12 divisors (see below), whose sum is σ = 44247528. Its totient is φ = 17018160.

The previous prime is 28080061. The next prime is 28080097. The reversal of 28080063 is 36008082.

It is not a de Polignac number, because 28080063 - 2¹ = 28080061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141720 + ... + 141917.

It is an arithmetic number, because the mean of its divisors is an integer number (3687294).

Almost surely, 2^28080063 is an apocalyptic number.

28080063 is a deficient number, since it is larger than the sum of its proper divisors (16167465).

28080063 is a wasteful number, since it uses less digits than its factorization.

28080063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283654 (or 283651 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28080063 is about 5299.0624642478. The cubic root of 28080063 is about 303.9480484573.

The spelling of 28080063 in words is "twenty-eight million, eighty thousand, sixty-three".