28183730867 has 2 divisors, whose sum is σ = 28183730868. Its totient is φ = 28183730866.

The previous prime is 28183730821. The next prime is 28183730893. The reversal of 28183730867 is 76803738182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28183730867 - 2⁶ = 28183730803 is a prime.

It is not a weakly prime, because it can be changed into another prime (28183730567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14091865433 + 14091865434.

It is an arithmetic number, because the mean of its divisors is an integer number (14091865434).

Almost surely, 2^28183730867 is an apocalyptic number.

28183730867 is a deficient number, since it is larger than the sum of its proper divisors (1).

28183730867 is an equidigital number, since it uses as much as digits as its factorization.

28183730867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 28183730867 in words is "twenty-eight billion, one hundred eighty-three million, seven hundred thirty thousand, eight hundred sixty-seven".