28810626336 has 72 divisors (see below), whose sum is σ = 81949729680. Its totient is φ = 9601255296.

The previous prime is 28810626329. The next prime is 28810626343. The reversal of 28810626336 is 63362601882.

It is a happy number.

28810626336 is a `hidden beast` number, since 2 + 8 + 8 + 1 + 0 + 6 + 2 + 633 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (28810626329) and next prime (28810626343).

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 28810626291 and 28810626300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1558395 + ... + 1576773.

It is an arithmetic number, because the mean of its divisors is an integer number (1138190690).

Almost surely, 2^28810626336 is an apocalyptic number.

It is an amenable number.

28810626336 is an abundant number, since it is smaller than the sum of its proper divisors (53139103344).

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

28810626336 is a wasteful number, since it uses less digits than its factorization.

28810626336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23838 (or 23827 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 28810626336 in words is "twenty-eight billion, eight hundred ten million, six hundred twenty-six thousand, three hundred thirty-six".