85175887949 has 8 divisors (see below), whose sum is σ = 89664120000. Its totient is φ = 80688184992.

The previous prime is 85175887859. The next prime is 85175887957. The reversal of 85175887949 is 94978857158.

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-85175887949 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 (85175887969) 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, 222617 + ... + 468945.

It is an arithmetic number, because the mean of its divisors is an integer number (11208015000).

Almost surely, 2^85175887949 is an apocalyptic number.

It is an amenable number.

85175887949 is a deficient number, since it is larger than the sum of its proper divisors (4488232051).

85175887949 is a wasteful number, since it uses less digits than its factorization.

85175887949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264547.

The product of its digits is 203212800, while the sum is 71.

The spelling of 85175887949 in words is "eighty-five billion, one hundred seventy-five million, eight hundred eighty-seven thousand, nine hundred forty-nine".