85183862789 has 2 divisors, whose sum is σ = 85183862790. Its totient is φ = 85183862788.

The previous prime is 85183862741. The next prime is 85183862839. The reversal of 85183862789 is 98726838158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85068472225 + 115390564 = 291665^2 + 10742^2 .

It is a cyclic number.

It is not a de Polignac number, because 85183862789 - 2³⁶ = 16464386053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85183802789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42591931394 + 42591931395.

It is an arithmetic number, because the mean of its divisors is an integer number (42591931395).

Almost surely, 2^85183862789 is an apocalyptic number.

It is an amenable number.

85183862789 is a deficient number, since it is larger than the sum of its proper divisors (1).

85183862789 is an equidigital number, since it uses as much as digits as its factorization.

85183862789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46448640, while the sum is 65.

The spelling of 85183862789 in words is "eighty-five billion, one hundred eighty-three million, eight hundred sixty-two thousand, seven hundred eighty-nine".