28860919570 has 64 divisors (see below), whose sum is σ = 62155247616. Its totient is φ = 9433955520.

The previous prime is 28860919537. The next prime is 28860919583. The reversal of 28860919570 is 7591906882.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 31 ways as a sum of consecutive naturals, for example, 465075 + ... + 523465.

It is an arithmetic number, because the mean of its divisors is an integer number (971175744).

Almost surely, 2^28860919570 is an apocalyptic number.

28860919570 is an abundant number, since it is smaller than the sum of its proper divisors (33294328046).

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

28860919570 is a wasteful number, since it uses less digits than its factorization.

28860919570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58735.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 28860919570 in words is "twenty-eight billion, eight hundred sixty million, nine hundred nineteen thousand, five hundred seventy".