85439007698 has 8 divisors (see below), whose sum is σ = 139809285360. Its totient is φ = 38835912580.

The previous prime is 85439007683. The next prime is 85439007769. The reversal of 85439007698 is 89670093458.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941795608 + ... + 1941795651.

It is an arithmetic number, because the mean of its divisors is an integer number (17476160670).

Almost surely, 2^85439007698 is an apocalyptic number.

85439007698 is a deficient number, since it is larger than the sum of its proper divisors (54370277662).

85439007698 is a wasteful number, since it uses less digits than its factorization.

85439007698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883591272.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 85439007698 in words is "eighty-five billion, four hundred thirty-nine million, seven thousand, six hundred ninety-eight".