28080002145 has 32 divisors (see below), whose sum is σ = 48392370432. Its totient is φ = 13821610752.

The previous prime is 28080002117. The next prime is 28080002179. The reversal of 28080002145 is 54120008082.

It is not a de Polignac number, because 28080002145 - 2⁶ = 28080002081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1773052 + ... + 1788818.

It is an arithmetic number, because the mean of its divisors is an integer number (1512261576).

Almost surely, 2^28080002145 is an apocalyptic number.

It is an amenable number.

28080002145 is a deficient number, since it is larger than the sum of its proper divisors (20312368287).

28080002145 is a wasteful number, since it uses less digits than its factorization.

28080002145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24921.

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 28080002145 in words is "twenty-eight billion, eighty million, two thousand, one hundred forty-five".