85971633 has 8 divisors (see below), whose sum is σ = 125049696. Its totient is φ = 52104000.

The previous prime is 85971607. The next prime is 85971647. The reversal of 85971633 is 33617958.

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

It is not a de Polignac number, because 85971633 - 2⁶ = 85971569 is a prime.

It is a super-2 number, since 2×85971633² = 14782243361373378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85972633) 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, 1302568 + ... + 1302633.

It is an arithmetic number, because the mean of its divisors is an integer number (15631212).

Almost surely, 2^85971633 is an apocalyptic number.

It is an amenable number.

85971633 is a deficient number, since it is larger than the sum of its proper divisors (39078063).

85971633 is a wasteful number, since it uses less digits than its factorization.

85971633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605215.

The product of its digits is 136080, while the sum is 42.

The square root of 85971633 is about 9272.0889232147. The cubic root of 85971633 is about 441.3519590937.

The spelling of 85971633 in words is "eighty-five million, nine hundred seventy-one thousand, six hundred thirty-three".