86019518 has 16 divisors (see below), whose sum is σ = 139116096. Its totient is φ = 39655200.

The previous prime is 86019511. The next prime is 86019533. The reversal of 86019518 is 81591068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86019511) 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, 32555 + ... + 35097.

It is an arithmetic number, because the mean of its divisors is an integer number (8694756).

Almost surely, 2^86019518 is an apocalyptic number.

86019518 is a deficient number, since it is larger than the sum of its proper divisors (53096578).

86019518 is a wasteful number, since it uses less digits than its factorization.

86019518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 86019518 is about 9274.6707758281. The cubic root of 86019518 is about 441.4338861791.

The spelling of 86019518 in words is "eighty-six million, nineteen thousand, five hundred eighteen".