28650652287 has 8 divisors (see below), whose sum is σ = 38206621104. Its totient is φ = 19097559168.

The previous prime is 28650652231. The next prime is 28650652291. The reversal of 28650652287 is 78225605682.

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

It is not a de Polignac number, because 28650652287 - 2¹⁵ = 28650619519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28650652207) 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, 695568 + ... + 735605.

It is an arithmetic number, because the mean of its divisors is an integer number (4775827638).

Almost surely, 2^28650652287 is an apocalyptic number.

28650652287 is a deficient number, since it is larger than the sum of its proper divisors (9555968817).

28650652287 is a wasteful number, since it uses less digits than its factorization.

28650652287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437849.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 28650652287 in words is "twenty-eight billion, six hundred fifty million, six hundred fifty-two thousand, two hundred eighty-seven".