85739469838 has 16 divisors (see below), whose sum is σ = 142948140336. Its totient is φ = 38237155840.

The previous prime is 85739469817. The next prime is 85739469889. The reversal of 85739469838 is 83896493758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36765331 + ... + 36767662.

It is an arithmetic number, because the mean of its divisors is an integer number (8934258771).

Almost surely, 2^85739469838 is an apocalyptic number.

85739469838 is a deficient number, since it is larger than the sum of its proper divisors (57208670498).

85739469838 is a wasteful number, since it uses less digits than its factorization.

85739469838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73533059.

The product of its digits is 313528320, while the sum is 70.

The spelling of 85739469838 in words is "eighty-five billion, seven hundred thirty-nine million, four hundred sixty-nine thousand, eight hundred thirty-eight".