85551175679 has 8 divisors (see below), whose sum is σ = 86181239040. Its totient is φ = 84922190496.

The previous prime is 85551175637. The next prime is 85551175729. The reversal of 85551175679 is 97657115558.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85551175679 is a prime.

It is a super-2 number, since 2×85551175679² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85551135679) 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, 109919 + ... + 428000.

It is an arithmetic number, because the mean of its divisors is an integer number (10772654880).

Almost surely, 2^85551175679 is an apocalyptic number.

85551175679 is a deficient number, since it is larger than the sum of its proper divisors (630063361).

85551175679 is a wasteful number, since it uses less digits than its factorization.

85551175679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539089.

The product of its digits is 13230000, while the sum is 59.

The spelling of 85551175679 in words is "eighty-five billion, five hundred fifty-one million, one hundred seventy-five thousand, six hundred seventy-nine".