85904436743 has 8 divisors (see below), whose sum is σ = 86000115600. Its totient is φ = 85808803968.

The previous prime is 85904436719. The next prime is 85904436763. The reversal of 85904436743 is 34763440958.

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

It is a cyclic number.

It is not a de Polignac number, because 85904436743 - 2²⁰ = 85903388167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85904436713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4766393 + ... + 4784381.

It is an arithmetic number, because the mean of its divisors is an integer number (10750014450).

Almost surely, 2^85904436743 is an apocalyptic number.

85904436743 is a deficient number, since it is larger than the sum of its proper divisors (95678857).

85904436743 is a wasteful number, since it uses less digits than its factorization.

85904436743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23041.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 85904436743 in words is "eighty-five billion, nine hundred four million, four hundred thirty-six thousand, seven hundred forty-three".