28703019667632 has 40 divisors (see below), whose sum is σ = 74149966025520. Its totient is φ = 9567608893440.

The previous prime is 28703019667613. The next prime is 28703019667667. The reversal of 28703019667632 is 23676691030782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5491744 + ... + 9357632.

It is an arithmetic number, because the mean of its divisors is an integer number (1853749150638).

Almost surely, 2^{28703019667632} is an apocalyptic number.

It is an amenable number.

28703019667632 is an abundant number, since it is smaller than the sum of its proper divisors (45446946357888).

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

28703019667632 is a wasteful number, since it uses less digits than its factorization.

28703019667632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020581 (or 4020575 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 28703019667632 in words is "twenty-eight trillion, seven hundred three billion, nineteen million, six hundred sixty-seven thousand, six hundred thirty-two".