28767623659 has 2 divisors, whose sum is σ = 28767623660. Its totient is φ = 28767623658.

The previous prime is 28767623641. The next prime is 28767623699. The reversal of 28767623659 is 95632676782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28767623659 - 2⁵ = 28767623627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28767623597 and 28767623606.

It is not a weakly prime, because it can be changed into another prime (28767623699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14383811829 + 14383811830.

It is an arithmetic number, because the mean of its divisors is an integer number (14383811830).

Almost surely, 2^28767623659 is an apocalyptic number.

28767623659 is a deficient number, since it is larger than the sum of its proper divisors (1).

28767623659 is an equidigital number, since it uses as much as digits as its factorization.

28767623659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 61.

The spelling of 28767623659 in words is "twenty-eight billion, seven hundred sixty-seven million, six hundred twenty-three thousand, six hundred fifty-nine".