28140046379 has 2 divisors, whose sum is σ = 28140046380. Its totient is φ = 28140046378.

The previous prime is 28140046339. The next prime is 28140046393. The reversal of 28140046379 is 97364004182.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28140046379 is a prime.

It is not a weakly prime, because it can be changed into another prime (28140046339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14070023189 + 14070023190.

It is an arithmetic number, because the mean of its divisors is an integer number (14070023190).

Almost surely, 2^28140046379 is an apocalyptic number.

28140046379 is a deficient number, since it is larger than the sum of its proper divisors (1).

28140046379 is an equidigital number, since it uses as much as digits as its factorization.

28140046379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 28140046379 in words is "twenty-eight billion, one hundred forty million, forty-six thousand, three hundred seventy-nine".