985783152899 has 2 divisors, whose sum is σ = 985783152900. Its totient is φ = 985783152898.

The previous prime is 985783152839. The next prime is 985783152967. The reversal of 985783152899 is 998251387589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985783152899 - 2¹⁶ = 985783087363 is a prime.

It is not a weakly prime, because it can be changed into another prime (985783152839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492891576449 + 492891576450.

It is an arithmetic number, because the mean of its divisors is an integer number (492891576450).

Almost surely, 2^985783152899 is an apocalyptic number.

985783152899 is a deficient number, since it is larger than the sum of its proper divisors (1).

985783152899 is an equidigital number, since it uses as much as digits as its factorization.

985783152899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 391910400, while the sum is 74.

The spelling of 985783152899 in words is "nine hundred eighty-five billion, seven hundred eighty-three million, one hundred fifty-two thousand, eight hundred ninety-nine".