28670087013 has 8 divisors (see below), whose sum is σ = 38247221376. Its totient is φ = 19103172000.

The previous prime is 28670087003. The next prime is 28670087021. The reversal of 28670087013 is 31078007682.

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

It is not a de Polignac number, because 28670087013 - 2¹⁶ = 28670021477 is a prime.

It is a super-3 number, since 3×28670087013³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28670087003) 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, 2548288 + ... + 2559513.

It is an arithmetic number, because the mean of its divisors is an integer number (4780902672).

Almost surely, 2^28670087013 is an apocalyptic number.

It is an amenable number.

28670087013 is a deficient number, since it is larger than the sum of its proper divisors (9577134363).

28670087013 is a wasteful number, since it uses less digits than its factorization.

28670087013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109675.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 28670087013 in words is "twenty-eight billion, six hundred seventy million, eighty-seven thousand, thirteen".