28623228177 has 8 divisors (see below), whose sum is σ = 38884385664. Its totient is φ = 18722111408.

The previous prime is 28623228173. The next prime is 28623228203. The reversal of 28623228177 is 77182232682.

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 28623228177 - 2² = 28623228173 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28623228173) 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, 90009993 + ... + 90010310.

It is an arithmetic number, because the mean of its divisors is an integer number (4860548208).

Almost surely, 2^28623228177 is an apocalyptic number.

It is an amenable number.

28623228177 is a deficient number, since it is larger than the sum of its proper divisors (10261157487).

28623228177 is a wasteful number, since it uses less digits than its factorization.

28623228177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180020359.

The product of its digits is 903168, while the sum is 48.

The spelling of 28623228177 in words is "twenty-eight billion, six hundred twenty-three million, two hundred twenty-eight thousand, one hundred seventy-seven".