28861679795 has 8 divisors (see below), whose sum is σ = 37298170896. Its totient is φ = 21313240416.

The previous prime is 28861679783. The next prime is 28861679849. The reversal of 28861679795 is 59797616882.

It is a happy number.

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

It is not a de Polignac number, because 28861679795 - 2¹⁶ = 28861614259 is a prime.

It is a super-2 number, since 2×28861679795² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222012857 + ... + 222012986.

It is an arithmetic number, because the mean of its divisors is an integer number (4662271362).

Almost surely, 2^28861679795 is an apocalyptic number.

28861679795 is a deficient number, since it is larger than the sum of its proper divisors (8436491101).

28861679795 is a wasteful number, since it uses less digits than its factorization.

28861679795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444025861.

The product of its digits is 91445760, while the sum is 68.

The spelling of 28861679795 in words is "twenty-eight billion, eight hundred sixty-one million, six hundred seventy-nine thousand, seven hundred ninety-five".