85197673 has 12 divisors (see below), whose sum is σ = 94287424. Its totient is φ = 76923000.

The previous prime is 85197667. The next prime is 85197677. The reversal of 85197673 is 37679158.

It is a de Polignac number, because none of the positive numbers 2^k-85197673 is a prime.

It is a super-2 number, since 2×85197673² = 14517286969229858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85197677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15940 + ... + 20602.

Almost surely, 2^85197673 is an apocalyptic number.

It is an amenable number.

85197673 is a deficient number, since it is larger than the sum of its proper divisors (9089751).

85197673 is a wasteful number, since it uses less digits than its factorization.

85197673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4825 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 85197673 is about 9230.2585554252. The cubic root of 85197673 is about 440.0235404072.

The spelling of 85197673 in words is "eighty-five million, one hundred ninety-seven thousand, six hundred seventy-three".