85435724333 has 2 divisors, whose sum is σ = 85435724334. Its totient is φ = 85435724332.

The previous prime is 85435724329. The next prime is 85435724393. The reversal of 85435724333 is 33342753458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68227007209 + 17208717124 = 261203^2 + 131182^2 .

It is a cyclic number.

It is not a de Polignac number, because 85435724333 - 2² = 85435724329 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85435724323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42717862166 + 42717862167.

It is an arithmetic number, because the mean of its divisors is an integer number (42717862167).

Almost surely, 2^85435724333 is an apocalyptic number.

It is an amenable number.

85435724333 is a deficient number, since it is larger than the sum of its proper divisors (1).

85435724333 is an equidigital number, since it uses as much as digits as its factorization.

85435724333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 47.

The spelling of 85435724333 in words is "eighty-five billion, four hundred thirty-five million, seven hundred twenty-four thousand, three hundred thirty-three".