86418516 has 12 divisors (see below), whose sum is σ = 201643232. Its totient is φ = 28806168.

The previous prime is 86418491. The next prime is 86418559. The reversal of 86418516 is 61581468.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3600760 + ... + 3600783.

Almost surely, 2^86418516 is an apocalyptic number.

It is an amenable number.

86418516 is an abundant number, since it is smaller than the sum of its proper divisors (115224716).

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

86418516 is a wasteful number, since it uses less digits than its factorization.

86418516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201550 (or 7201548 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 86418516 is about 9296.1559797585. The cubic root of 86418516 is about 442.1153579178.

The spelling of 86418516 in words is "eighty-six million, four hundred eighteen thousand, five hundred sixteen".