28106796791 has 8 divisors (see below), whose sum is σ = 29372369664. Its totient is φ = 26869038840.

The previous prime is 28106796761. The next prime is 28106796811. The reversal of 28106796791 is 19769760182.

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 28106796791 - 2¹⁰ = 28106795767 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 (28106796761) 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, 6951665 + ... + 6955706.

It is an arithmetic number, because the mean of its divisors is an integer number (3671546208).

Almost surely, 2^28106796791 is an apocalyptic number.

28106796791 is a deficient number, since it is larger than the sum of its proper divisors (1265572873).

28106796791 is a wasteful number, since it uses less digits than its factorization.

28106796791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13907461.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 28106796791 in words is "twenty-eight billion, one hundred six million, seven hundred ninety-six thousand, seven hundred ninety-one".