85429396099 has 2 divisors, whose sum is σ = 85429396100. Its totient is φ = 85429396098.

The previous prime is 85429396079. The next prime is 85429396123. The reversal of 85429396099 is 99069392458.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85429396099 - 2⁷ = 85429395971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85429396099.

It is not a weakly prime, because it can be changed into another prime (85429396079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42714698049 + 42714698050.

It is an arithmetic number, because the mean of its divisors is an integer number (42714698050).

Almost surely, 2^85429396099 is an apocalyptic number.

85429396099 is a deficient number, since it is larger than the sum of its proper divisors (1).

85429396099 is an equidigital number, since it uses as much as digits as its factorization.

85429396099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37791360, while the sum is 64.

The spelling of 85429396099 in words is "eighty-five billion, four hundred twenty-nine million, three hundred ninety-six thousand, ninety-nine".