28080662620 has 24 divisors (see below), whose sum is σ = 58979756304. Its totient is φ = 11230290816.

The previous prime is 28080662581. The next prime is 28080662683. The reversal of 28080662620 is 2626608082.

It is a super-2 number, since 2×28080662620² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3937 + ... + 237016.

It is an arithmetic number, because the mean of its divisors is an integer number (2457489846).

Almost surely, 2^28080662620 is an apocalyptic number.

28080662620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28080662620 is an abundant number, since it is smaller than the sum of its proper divisors (30899093684).

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

28080662620 is a wasteful number, since it uses less digits than its factorization.

28080662620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246789 (or 246787 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 28080662620 in words is "twenty-eight billion, eighty million, six hundred sixty-two thousand, six hundred twenty".