85169776 has 20 divisors (see below), whose sum is σ = 165387232. Its totient is φ = 42489216.

The previous prime is 85169771. The next prime is 85169807. The reversal of 85169776 is 67796158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85169771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660 + ... + 13156.

Almost surely, 2^85169776 is an apocalyptic number.

It is an amenable number.

85169776 is a deficient number, since it is larger than the sum of its proper divisors (80217456).

85169776 is a wasteful number, since it uses less digits than its factorization.

85169776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11968 (or 11962 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 85169776 is about 9228.7472605983. The cubic root of 85169776 is about 439.9755082786.

The spelling of 85169776 in words is "eighty-five million, one hundred sixty-nine thousand, seven hundred seventy-six".