28204088169 has 8 divisors (see below), whose sum is σ = 39240470592. Its totient is φ = 17985215600.

The previous prime is 28204088147. The next prime is 28204088183. The reversal of 28204088169 is 96188040282.

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 28204088169 - 2⁵ = 28204088137 is a prime.

It is a super-2 number, since 2×28204088169² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28204088369) 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, 204377382 + ... + 204377519.

It is an arithmetic number, because the mean of its divisors is an integer number (4905058824).

Almost surely, 2^28204088169 is an apocalyptic number.

It is an amenable number.

28204088169 is a deficient number, since it is larger than the sum of its proper divisors (11036382423).

28204088169 is a wasteful number, since it uses less digits than its factorization.

28204088169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408754927.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 28204088169 in words is "twenty-eight billion, two hundred four million, eighty-eight thousand, one hundred sixty-nine".