28341079887 has 8 divisors (see below), whose sum is σ = 38407583920. Its totient is φ = 18584314560.

The previous prime is 28341079867. The next prime is 28341079889. The reversal of 28341079887 is 78897014382.

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

It is not a de Polignac number, because 28341079887 - 2¹⁰ = 28341078863 is a prime.

It is a super-2 number, since 2×28341079887² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341079889) 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, 77434462 + ... + 77434827.

It is an arithmetic number, because the mean of its divisors is an integer number (4800947990).

Almost surely, 2^28341079887 is an apocalyptic number.

28341079887 is a deficient number, since it is larger than the sum of its proper divisors (10066504033).

28341079887 is a wasteful number, since it uses less digits than its factorization.

28341079887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154869353.

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 28341079887 in words is "twenty-eight billion, three hundred forty-one million, seventy-nine thousand, eight hundred eighty-seven".