85168509351 has 8 divisors (see below), whose sum is σ = 113565118464. Its totient is φ = 56775453240.

The previous prime is 85168509323. The next prime is 85168509373. The reversal of 85168509351 is 15390586158.

It is a happy number.

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

It is not a de Polignac number, because 85168509351 - 2⁹ = 85168508839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85168509294 and 85168509303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85168501351) 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, 831805 + ... + 928566.

It is an arithmetic number, because the mean of its divisors is an integer number (14195639808).

Almost surely, 2^85168509351 is an apocalyptic number.

85168509351 is a deficient number, since it is larger than the sum of its proper divisors (28396609113).

85168509351 is a wasteful number, since it uses less digits than its factorization.

85168509351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776501.

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 85168509351 in words is "eighty-five billion, one hundred sixty-eight million, five hundred nine thousand, three hundred fifty-one".