28503276030 has 32 divisors (see below), whose sum is σ = 76008736800. Its totient is φ = 7600873536.

The previous prime is 28503276019. The next prime is 28503276059. The reversal of 28503276030 is 3067230582.

28503276030 is a `hidden beast` number, since 28 + 5 + 0 + 3 + 27 + 603 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52783575 + ... + 52784114.

It is an arithmetic number, because the mean of its divisors is an integer number (2375273025).

Almost surely, 2^28503276030 is an apocalyptic number.

28503276030 is an abundant number, since it is smaller than the sum of its proper divisors (47505460770).

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

28503276030 is a wasteful number, since it uses less digits than its factorization.

28503276030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105567705 (or 105567699 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 28503276030 in words is "twenty-eight billion, five hundred three million, two hundred seventy-six thousand, thirty".