85198438343015 has 4 divisors (see below), whose sum is σ = 102238126011624. Its totient is φ = 68158750674408.

The previous prime is 85198438342967. The next prime is 85198438343021. The reversal of 85198438343015 is 51034383489158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85198438343015 - 2¹⁶ = 85198438277479 is a prime.

It is a Duffinian number.

It is a congruent 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, 8519843834297 + ... + 8519843834306.

It is an arithmetic number, because the mean of its divisors is an integer number (25559531502906).

Almost surely, 2^{85198438343015} is an apocalyptic number.

85198438343015 is a deficient number, since it is larger than the sum of its proper divisors (17039687668609).

85198438343015 is a wasteful number, since it uses less digits than its factorization.

85198438343015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17039687668608.

The product of its (nonzero) digits is 49766400, while the sum is 62.

The spelling of 85198438343015 in words is "eighty-five trillion, one hundred ninety-eight billion, four hundred thirty-eight million, three hundred forty-three thousand, fifteen".