85979846 has 8 divisors (see below), whose sum is σ = 136556280. Its totient is φ = 40461088.

The previous prime is 85979843. The next prime is 85979849. The reversal of 85979846 is 64897958.

It is an interprime number because it is at equal distance from previous prime (85979843) and next prime (85979849).

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85979791 and 85979800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85979843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264376 + ... + 1264443.

It is an arithmetic number, because the mean of its divisors is an integer number (17069535).

Almost surely, 2^85979846 is an apocalyptic number.

85979846 is a deficient number, since it is larger than the sum of its proper divisors (50576434).

85979846 is a wasteful number, since it uses less digits than its factorization.

85979846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528838.

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

The square root of 85979846 is about 9272.5318009700. The cubic root of 85979846 is about 441.3660129860.

The spelling of 85979846 in words is "eighty-five million, nine hundred seventy-nine thousand, eight hundred forty-six".