28107713671 has 8 divisors (see below), whose sum is σ = 29017296000. Its totient is φ = 27198311520.

The previous prime is 28107713659. The next prime is 28107713687. The reversal of 28107713671 is 17631770182.

It is a happy number.

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 28107713671 - 2⁵ = 28107713639 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 (28107714671) 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, 318765 + ... + 397273.

It is an arithmetic number, because the mean of its divisors is an integer number (3627162000).

Almost surely, 2^28107713671 is an apocalyptic number.

28107713671 is a deficient number, since it is larger than the sum of its proper divisors (909582329).

28107713671 is a wasteful number, since it uses less digits than its factorization.

28107713671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90089.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 28107713671 in words is "twenty-eight billion, one hundred seven million, seven hundred thirteen thousand, six hundred seventy-one".