85904436742 has 8 divisors (see below), whose sum is σ = 128876842800. Its totient is φ = 42945489144.

The previous prime is 85904436719. The next prime is 85904436763. The reversal of 85904436742 is 24763440958.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85904436742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348642 + ... + 3374197.

It is an arithmetic number, because the mean of its divisors is an integer number (16109605350).

Almost surely, 2^85904436742 is an apocalyptic number.

85904436742 is a deficient number, since it is larger than the sum of its proper divisors (42972406058).

85904436742 is a wasteful number, since it uses less digits than its factorization.

85904436742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729230.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 85904436742 in words is "eighty-five billion, nine hundred four million, four hundred thirty-six thousand, seven hundred forty-two".