28440488179 has 2 divisors, whose sum is σ = 28440488180. Its totient is φ = 28440488178.

The previous prime is 28440488119. The next prime is 28440488227. The reversal of 28440488179 is 97188404482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28440488179 - 2¹¹ = 28440486131 is a prime.

It is a super-2 number, since 2×28440488179² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28440488119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14220244089 + 14220244090.

It is an arithmetic number, because the mean of its divisors is an integer number (14220244090).

Almost surely, 2^28440488179 is an apocalyptic number.

28440488179 is a deficient number, since it is larger than the sum of its proper divisors (1).

28440488179 is an equidigital number, since it uses as much as digits as its factorization.

28440488179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 28440488179 in words is "twenty-eight billion, four hundred forty million, four hundred eighty-eight thousand, one hundred seventy-nine".