28966912371 has 6 divisors (see below), whose sum is σ = 41841095660. Its totient is φ = 19311274908.

The previous prime is 28966912369. The next prime is 28966912409. The reversal of 28966912371 is 17321966982.

It is not a de Polignac number, because 28966912371 - 2¹ = 28966912369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28966912321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1609272901 + ... + 1609272918.

Almost surely, 2^28966912371 is an apocalyptic number.

28966912371 is a deficient number, since it is larger than the sum of its proper divisors (12874183289).

28966912371 is a wasteful number, since it uses less digits than its factorization.

28966912371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218545825 (or 3218545822 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 28966912371 in words is "twenty-eight billion, nine hundred sixty-six million, nine hundred twelve thousand, three hundred seventy-one".