28379606309 has 8 divisors (see below), whose sum is σ = 28924462080. Its totient is φ = 27839772576.

The previous prime is 28379606303. The next prime is 28379606371. The reversal of 28379606309 is 90360697382.

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 28379606309 - 2⁴ = 28379606293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28379606303) 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, 1244099 + ... + 1266704.

It is an arithmetic number, because the mean of its divisors is an integer number (3615557760).

Almost surely, 2^28379606309 is an apocalyptic number.

It is an amenable number.

28379606309 is a deficient number, since it is larger than the sum of its proper divisors (544855771).

28379606309 is a wasteful number, since it uses less digits than its factorization.

28379606309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511019.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 28379606309 in words is "twenty-eight billion, three hundred seventy-nine million, six hundred six thousand, three hundred nine".