28649759883 has 8 divisors (see below), whose sum is σ = 38201640768. Its totient is φ = 19098859464.

The previous prime is 28649759851. The next prime is 28649759903. The reversal of 28649759883 is 38895794682.

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

It is not a de Polignac number, because 28649759883 - 2⁵ = 28649759851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28649759833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173985 + ... + 295922.

It is an arithmetic number, because the mean of its divisors is an integer number (4775205096).

Almost surely, 2^28649759883 is an apocalyptic number.

28649759883 is a deficient number, since it is larger than the sum of its proper divisors (9551880885).

28649759883 is a wasteful number, since it uses less digits than its factorization.

28649759883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490233.

The product of its digits is 209018880, while the sum is 69.

The spelling of 28649759883 in words is "twenty-eight billion, six hundred forty-nine million, seven hundred fifty-nine thousand, eight hundred eighty-three".