86165842 has 32 divisors (see below), whose sum is σ = 152380800. Its totient is φ = 35779968.

The previous prime is 86165837. The next prime is 86165857. The reversal of 86165842 is 24856168.

It is a junction number, because it is equal to n+sod(n) for n = 86165795 and 86165804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59584 + ... + 61012.

It is an arithmetic number, because the mean of its divisors is an integer number (4761900).

Almost surely, 2^86165842 is an apocalyptic number.

86165842 is a deficient number, since it is larger than the sum of its proper divisors (66214958).

86165842 is a wasteful number, since it uses less digits than its factorization.

86165842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its digits is 92160, while the sum is 40.

The square root of 86165842 is about 9282.5557902983. Note that the first 3 decimals coincide. The cubic root of 86165842 is about 441.6840456118.

The spelling of 86165842 in words is "eighty-six million, one hundred sixty-five thousand, eight hundred forty-two".