85979862 has 24 divisors (see below), whose sum is σ = 187243056. Its totient is φ = 28513296.

The previous prime is 85979849. The next prime is 85979869. The reversal of 85979862 is 26897958.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85979799 and 85979808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85979869) 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 11 ways as a sum of consecutive naturals, for example, 8578 + ... + 15669.

It is an arithmetic number, because the mean of its divisors is an integer number (7801794).

Almost surely, 2^85979862 is an apocalyptic number.

85979862 is an abundant number, since it is smaller than the sum of its proper divisors (101263194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85979862 is a wasteful number, since it uses less digits than its factorization.

85979862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24452 (or 24449 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 85979862 is about 9272.5326637332. The cubic root of 85979862 is about 441.3660403640.

The spelling of 85979862 in words is "eighty-five million, nine hundred seventy-nine thousand, eight hundred sixty-two".