28352834787 has 8 divisors (see below), whose sum is σ = 40027531536. Its totient is φ = 17790013952.

The previous prime is 28352834767. The next prime is 28352834801. The reversal of 28352834787 is 78743825382.

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

It is a cyclic number.

It is not a de Polignac number, because 28352834787 - 2⁷ = 28352834659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28352834717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277968918 + ... + 277969019.

It is an arithmetic number, because the mean of its divisors is an integer number (5003441442).

Almost surely, 2^28352834787 is an apocalyptic number.

28352834787 is a deficient number, since it is larger than the sum of its proper divisors (11674696749).

28352834787 is a wasteful number, since it uses less digits than its factorization.

28352834787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555937957.

The product of its digits is 18063360, while the sum is 57.

The spelling of 28352834787 in words is "twenty-eight billion, three hundred fifty-two million, eight hundred thirty-four thousand, seven hundred eighty-seven".