85435945390 has 8 divisors (see below), whose sum is σ = 153784701720. Its totient is φ = 34174378152.

The previous prime is 85435945381. The next prime is 85435945403. The reversal of 85435945390 is 9354953458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4271797260 + ... + 4271797279.

It is an arithmetic number, because the mean of its divisors is an integer number (19223087715).

Almost surely, 2^85435945390 is an apocalyptic number.

85435945390 is a deficient number, since it is larger than the sum of its proper divisors (68348756330).

85435945390 is a wasteful number, since it uses less digits than its factorization.

85435945390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8543594546.

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 85435945390 in words is "eighty-five billion, four hundred thirty-five million, nine hundred forty-five thousand, three hundred ninety".