85968749 has 8 divisors (see below), whose sum is σ = 91512000. Its totient is φ = 80527392.

The previous prime is 85968721. The next prime is 85968767. The reversal of 85968749 is 94786958.

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

It is a cyclic number.

It is not a de Polignac number, because 85968749 - 2²⁴ = 69191533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85968694 and 85968703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85968709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23729 + ... + 27110.

It is an arithmetic number, because the mean of its divisors is an integer number (11439000).

Almost surely, 2^85968749 is an apocalyptic number.

85968749 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

85968749 is a deficient number, since it is larger than the sum of its proper divisors (5543251).

85968749 is a wasteful number, since it uses less digits than its factorization.

85968749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50947.

The product of its digits is 4354560, while the sum is 56.

The square root of 85968749 is about 9271.9334014002. The cubic root of 85968749 is about 441.3470238484.

The spelling of 85968749 in words is "eighty-five million, nine hundred sixty-eight thousand, seven hundred forty-nine".