28771195 has 8 divisors (see below), whose sum is σ = 34649136. Its totient is φ = 22934496.

The previous prime is 28771181. The next prime is 28771201. The reversal of 28771195 is 59117782.

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 28771195 - 2⁹ = 28770683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8752 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (4331142).

Almost surely, 2^28771195 is an apocalyptic number.

28771195 is a deficient number, since it is larger than the sum of its proper divisors (5877941).

28771195 is a wasteful number, since it uses less digits than its factorization.

28771195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621.

The product of its digits is 35280, while the sum is 40.

The square root of 28771195 is about 5363.8787271899. The cubic root of 28771195 is about 306.4215465388.

The spelling of 28771195 in words is "twenty-eight million, seven hundred seventy-one thousand, one hundred ninety-five".