28079306084357 has 8 divisors (see below), whose sum is σ = 30637512581952. Its totient is φ = 25522023304800.

The previous prime is 28079306084339. The next prime is 28079306084387. The reversal of 28079306084357 is 75348060397082.

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

It is not a de Polignac number, because 28079306084357 - 2⁶ = 28079306084293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28079306084357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28079306084387) 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, 230865944 + ... + 230987537.

It is an arithmetic number, because the mean of its divisors is an integer number (3829689072744).

Almost surely, 2^{28079306084357} is an apocalyptic number.

It is an amenable number.

28079306084357 is a deficient number, since it is larger than the sum of its proper divisors (2558206497595).

28079306084357 is a wasteful number, since it uses less digits than its factorization.

28079306084357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461859019.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 28079306084357 in words is "twenty-eight trillion, seventy-nine billion, three hundred six million, eighty-four thousand, three hundred fifty-seven".