28423112377 has 16 divisors (see below), whose sum is σ = 32647608000. Its totient is φ = 24472765440.

The previous prime is 28423112329. The next prime is 28423112401. The reversal of 28423112377 is 77321132482.

It is a cyclic number.

It is not a de Polignac number, because 28423112377 - 2¹¹ = 28423110329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28423112317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882249 + ... + 913897.

It is an arithmetic number, because the mean of its divisors is an integer number (2040475500).

Almost surely, 2^28423112377 is an apocalyptic number.

It is an amenable number.

28423112377 is a deficient number, since it is larger than the sum of its proper divisors (4224495623).

28423112377 is a wasteful number, since it uses less digits than its factorization.

28423112377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35976.

The product of its digits is 112896, while the sum is 40.

The spelling of 28423112377 in words is "twenty-eight billion, four hundred twenty-three million, one hundred twelve thousand, three hundred seventy-seven".