28113432706177 has 8 divisors (see below), whose sum is σ = 34601147946176. Its totient is φ = 22243595108112.

The previous prime is 28113432706159. The next prime is 28113432706189. The reversal of 28113432706177 is 77160723431182.

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

It is a de Polignac number, because none of the positive numbers 2^k-28113432706177 is a prime.

It is a super-2 number, since 2×28113432706177² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28113432704177) 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, 154469410383 + ... + 154469410564.

It is an arithmetic number, because the mean of its divisors is an integer number (4325143493272).

Almost surely, 2^{28113432706177} is an apocalyptic number.

It is an amenable number.

28113432706177 is a deficient number, since it is larger than the sum of its proper divisors (6487715239999).

28113432706177 is a wasteful number, since it uses less digits than its factorization.

28113432706177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308938820967.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 28113432706177 in words is "twenty-eight trillion, one hundred thirteen billion, four hundred thirty-two million, seven hundred six thousand, one hundred seventy-seven".