28896080161765 has 8 divisors (see below), whose sum is σ = 34675362067968. Its totient is φ = 23116820213520.

The previous prime is 28896080161721. The next prime is 28896080161771. The reversal of 28896080161765 is 56716108069882.

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

It is not a de Polignac number, because 28896080161765 - 2¹³ = 28896080153573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28896080161765.

It is a congruent 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, 2440381 + ... + 7984210.

It is an arithmetic number, because the mean of its divisors is an integer number (4334420258496).

Almost surely, 2^{28896080161765} is an apocalyptic number.

It is an amenable number.

28896080161765 is a deficient number, since it is larger than the sum of its proper divisors (5779281906203).

28896080161765 is a wasteful number, since it uses less digits than its factorization.

28896080161765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978979.

The product of its (nonzero) digits is 69672960, while the sum is 67.

The spelling of 28896080161765 in words is "twenty-eight trillion, eight hundred ninety-six billion, eighty million, one hundred sixty-one thousand, seven hundred sixty-five".