28620367653 has 8 divisors (see below), whose sum is σ = 39819642048. Its totient is φ = 18250669184.

The previous prime is 28620367639. The next prime is 28620367693. The reversal of 28620367653 is 35676302682.

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 28620367653 - 2⁹ = 28620367141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28620367693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207393900 + ... + 207394037.

It is an arithmetic number, because the mean of its divisors is an integer number (4977455256).

Almost surely, 2^28620367653 is an apocalyptic number.

28620367653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28620367653 is a deficient number, since it is larger than the sum of its proper divisors (11199274395).

28620367653 is a wasteful number, since it uses less digits than its factorization.

28620367653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414787963.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 28620367653 in words is "twenty-eight billion, six hundred twenty million, three hundred sixty-seven thousand, six hundred fifty-three".