28080004881 has 8 divisors (see below), whose sum is σ = 39642359904. Its totient is φ = 17618826560.

The previous prime is 28080004859. The next prime is 28080004907. The reversal of 28080004881 is 18840008082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28080004881 - 2¹⁵ = 28079972113 is a prime.

It is a super-2 number, since 2×28080004881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28080004831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275294115 + ... + 275294216.

It is an arithmetic number, because the mean of its divisors is an integer number (4955294988).

Almost surely, 2^28080004881 is an apocalyptic number.

It is an amenable number.

28080004881 is a deficient number, since it is larger than the sum of its proper divisors (11562355023).

28080004881 is a wasteful number, since it uses less digits than its factorization.

28080004881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550588351.

The product of its (nonzero) digits is 32768, while the sum is 39.

The spelling of 28080004881 in words is "twenty-eight billion, eighty million, four thousand, eight hundred eighty-one".