28650224507 has 4 divisors (see below), whose sum is σ = 30158131080. Its totient is φ = 27142317936.

The previous prime is 28650224501. The next prime is 28650224531. The reversal of 28650224507 is 70542205682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28650224507 - 2²⁴ = 28633447291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28650224501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753953258 + ... + 753953295.

It is an arithmetic number, because the mean of its divisors is an integer number (7539532770).

Almost surely, 2^28650224507 is an apocalyptic number.

28650224507 is a deficient number, since it is larger than the sum of its proper divisors (1507906573).

28650224507 is a wasteful number, since it uses less digits than its factorization.

28650224507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507906572.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 28650224507 in words is "twenty-eight billion, six hundred fifty million, two hundred twenty-four thousand, five hundred seven".