85439839373 has 8 divisors (see below), whose sum is σ = 99487899648. Its totient is φ = 71852371344.

The previous prime is 85439839367. The next prime is 85439839379. The reversal of 85439839373 is 37393893458.

It is an interprime number because it is at equal distance from previous prime (85439839367) and next prime (85439839379).

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 85439839373 - 2⁴ = 85439839357 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 (85439839379) 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, 115147661 + ... + 115148402.

It is an arithmetic number, because the mean of its divisors is an integer number (12435987456).

Almost surely, 2^85439839373 is an apocalyptic number.

It is an amenable number.

85439839373 is a deficient number, since it is larger than the sum of its proper divisors (14048060275).

85439839373 is a wasteful number, since it uses less digits than its factorization.

85439839373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230296123.

The product of its digits is 58786560, while the sum is 62.

The spelling of 85439839373 in words is "eighty-five billion, four hundred thirty-nine million, eight hundred thirty-nine thousand, three hundred seventy-three".