85177617 has 8 divisors (see below), whose sum is σ = 129794496. Its totient is φ = 48672912.

The previous prime is 85177607. The next prime is 85177619. The reversal of 85177617 is 71677158.

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

It is not a de Polignac number, because 85177617 - 2¹⁴ = 85161233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85177619) 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, 2028018 + ... + 2028059.

It is an arithmetic number, because the mean of its divisors is an integer number (16224312).

Almost surely, 2^85177617 is an apocalyptic number.

It is an amenable number.

85177617 is a deficient number, since it is larger than the sum of its proper divisors (44616879).

85177617 is a wasteful number, since it uses less digits than its factorization.

85177617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056087.

The product of its digits is 82320, while the sum is 42.

The square root of 85177617 is about 9229.1720647087. The cubic root of 85177617 is about 439.9890097117.

The spelling of 85177617 in words is "eighty-five million, one hundred seventy-seven thousand, six hundred seventeen".