785459999999 has 2 divisors, whose sum is σ = 785460000000. Its totient is φ = 785459999998.

The previous prime is 785459999957. The next prime is 785460000007. The reversal of 785459999999 is 999999954587.

It is a strong prime.

It is an emirp because it is prime and its reverse (999999954587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 785459999999 - 2¹⁶ = 785459934463 is a prime.

785459999999 is a modest number, since divided by 999999 gives 785459 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785459999899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392729999999 + 392730000000.

It is an arithmetic number, because the mean of its divisors is an integer number (392730000000).

Almost surely, 2^785459999999 is an apocalyptic number.

785459999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

785459999999 is an equidigital number, since it uses as much as digits as its factorization.

785459999999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26784626400, while the sum is 92.

The spelling of 785459999999 in words is "seven hundred eighty-five billion, four hundred fifty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".