28570958996 has 48 divisors (see below), whose sum is σ = 53091158400. Its totient is φ = 13415686272.

The previous prime is 28570958981. The next prime is 28570959013. The reversal of 28570958996 is 69985907582.

It is a super-2 number, since 2×28570958996² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4717106 + ... + 4723158.

It is an arithmetic number, because the mean of its divisors is an integer number (1106065800).

Almost surely, 2^28570958996 is an apocalyptic number.

It is an amenable number.

28570958996 is a deficient number, since it is larger than the sum of its proper divisors (24520199404).

28570958996 is a wasteful number, since it uses less digits than its factorization.

28570958996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608 (or 6606 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 68.

The spelling of 28570958996 in words is "twenty-eight billion, five hundred seventy million, nine hundred fifty-eight thousand, nine hundred ninety-six".