85177238 has 16 divisors (see below), whose sum is σ = 132960960. Its totient is φ = 40890696.

The previous prime is 85177231. The next prime is 85177241. The reversal of 85177238 is 83277158.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85177195 and 85177204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85177231) 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, 3320 + ... + 13467.

It is an arithmetic number, because the mean of its divisors is an integer number (8310060).

Almost surely, 2^85177238 is an apocalyptic number.

85177238 is a deficient number, since it is larger than the sum of its proper divisors (47783722).

85177238 is a wasteful number, since it uses less digits than its factorization.

85177238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16891.

The product of its digits is 94080, while the sum is 41.

The square root of 85177238 is about 9229.1515319665. The cubic root of 85177238 is about 439.9883571299.

The spelling of 85177238 in words is "eighty-five million, one hundred seventy-seven thousand, two hundred thirty-eight".