28300263080 has 64 divisors (see below), whose sum is σ = 64502153280. Its totient is φ = 11173926400.

The previous prime is 28300263073. The next prime is 28300263119. The reversal of 28300263080 is 8036200382.

It is a happy number.

It is a super-2 number, since 2×28300263080² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190915 + ... + 1214445.

It is an arithmetic number, because the mean of its divisors is an integer number (1007846145).

Almost surely, 2^28300263080 is an apocalyptic number.

28300263080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28300263080 is an abundant number, since it is smaller than the sum of its proper divisors (36201890200).

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

28300263080 is a wasteful number, since it uses less digits than its factorization.

28300263080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23930 (or 23926 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 28300263080 in words is "twenty-eight billion, three hundred million, two hundred sixty-three thousand, eighty".