28416626783 has 4 divisors (see below), whose sum is σ = 28423754520. Its totient is φ = 28409499048.

The previous prime is 28416626773. The next prime is 28416626789. The reversal of 28416626783 is 38762661482.

It is a happy number.

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 28416626783 - 2⁸ = 28416626527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28416626789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557885 + ... + 3565862.

It is an arithmetic number, because the mean of its divisors is an integer number (7105938630).

Almost surely, 2^28416626783 is an apocalyptic number.

28416626783 is a deficient number, since it is larger than the sum of its proper divisors (7127737).

28416626783 is an equidigital number, since it uses as much as digits as its factorization.

28416626783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7127736.

The product of its digits is 4644864, while the sum is 53.

The spelling of 28416626783 in words is "twenty-eight billion, four hundred sixteen million, six hundred twenty-six thousand, seven hundred eighty-three".