28438964059 has 8 divisors (see below), whose sum is σ = 31031237952. Its totient is φ = 25847842440.

The previous prime is 28438964017. The next prime is 28438964069. The reversal of 28438964059 is 95046983482.

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 28438964059 - 2²⁷ = 28304746331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28438963994 and 28438964012.

It is not an unprimeable number, because it can be changed into a prime (28438964069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 236049 + ... + 335554.

It is an arithmetic number, because the mean of its divisors is an integer number (3878904744).

Almost surely, 2^28438964059 is an apocalyptic number.

28438964059 is a deficient number, since it is larger than the sum of its proper divisors (2592273893).

28438964059 is a wasteful number, since it uses less digits than its factorization.

28438964059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576137.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 28438964059 in words is "twenty-eight billion, four hundred thirty-eight million, nine hundred sixty-four thousand, fifty-nine".