28772857162 has 8 divisors (see below), whose sum is σ = 49324898016. Its totient is φ = 12331224492.

The previous prime is 28772857151. The next prime is 28772857177. The reversal of 28772857162 is 26175827782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027602028 + ... + 1027602055.

It is an arithmetic number, because the mean of its divisors is an integer number (6165612252).

Almost surely, 2^28772857162 is an apocalyptic number.

28772857162 is a deficient number, since it is larger than the sum of its proper divisors (20552040854).

28772857162 is a wasteful number, since it uses less digits than its factorization.

28772857162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055204092.

The product of its digits is 5268480, while the sum is 55.

The spelling of 28772857162 in words is "twenty-eight billion, seven hundred seventy-two million, eight hundred fifty-seven thousand, one hundred sixty-two".