85435724364 has 12 divisors (see below), whose sum is σ = 199350023544. Its totient is φ = 28478574784.

The previous prime is 85435724333. The next prime is 85435724393. The reversal of 85435724364 is 46342753458.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559821837 + ... + 3559821860.

It is an arithmetic number, because the mean of its divisors is an integer number (16612501962).

Almost surely, 2^85435724364 is an apocalyptic number.

It is an amenable number.

85435724364 is an abundant number, since it is smaller than the sum of its proper divisors (113914299180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85435724364 is a wasteful number, since it uses less digits than its factorization.

85435724364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119643704 (or 7119643702 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 51.

The spelling of 85435724364 in words is "eighty-five billion, four hundred thirty-five million, seven hundred twenty-four thousand, three hundred sixty-four".