85183416779 has 2 divisors, whose sum is σ = 85183416780. Its totient is φ = 85183416778.

The previous prime is 85183416767. The next prime is 85183416803. The reversal of 85183416779 is 97761438158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85183416779 - 2¹² = 85183412683 is a prime.

It is not a weakly prime, because it can be changed into another prime (85183416709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42591708389 + 42591708390.

It is an arithmetic number, because the mean of its divisors is an integer number (42591708390).

Almost surely, 2^85183416779 is an apocalyptic number.

85183416779 is a deficient number, since it is larger than the sum of its proper divisors (1).

85183416779 is an equidigital number, since it uses as much as digits as its factorization.

85183416779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 59.

The spelling of 85183416779 in words is "eighty-five billion, one hundred eighty-three million, four hundred sixteen thousand, seven hundred seventy-nine".