28067730177 has 8 divisors (see below), whose sum is σ = 37424540160. Its totient is φ = 18711370160.

The previous prime is 28067730157. The next prime is 28067730217. The reversal of 28067730177 is 77103776082.

It is a happy number.

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 28067730177 - 2¹⁵ = 28067697409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28067730157) 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, 80224 + ... + 250142.

It is an arithmetic number, because the mean of its divisors is an integer number (4678067520).

Almost surely, 2^28067730177 is an apocalyptic number.

It is an amenable number.

28067730177 is a deficient number, since it is larger than the sum of its proper divisors (9356809983).

28067730177 is a wasteful number, since it uses less digits than its factorization.

28067730177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224983.

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 28067730177 in words is "twenty-eight billion, sixty-seven million, seven hundred thirty thousand, one hundred seventy-seven".