86723044 has 24 divisors (see below), whose sum is σ = 154918008. Its totient is φ = 42470400.

The previous prime is 86723033. The next prime is 86723047. The reversal of 86723044 is 44032768.

It can be written as a sum of positive squares in 4 ways, for example, as 62220544 + 24502500 = 7888^2 + 4950^2 .

It is not an unprimeable number, because it can be changed into a prime (86723047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38082 + ... + 40294.

It is an arithmetic number, because the mean of its divisors is an integer number (6454917).

Almost surely, 2^86723044 is an apocalyptic number.

It is an amenable number.

86723044 is a deficient number, since it is larger than the sum of its proper divisors (68194964).

86723044 is a wasteful number, since it uses less digits than its factorization.

86723044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 86723044 is about 9312.5208187687. The cubic root of 86723044 is about 442.6340687738.

The spelling of 86723044 in words is "eighty-six million, seven hundred twenty-three thousand, forty-four".