86507412 has 12 divisors (see below), whose sum is σ = 201850656. Its totient is φ = 28835800.

The previous prime is 86507389. The next prime is 86507419. The reversal of 86507412 is 21470568.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86507419) 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 3 ways as a sum of consecutive naturals, for example, 3604464 + ... + 3604487.

It is an arithmetic number, because the mean of its divisors is an integer number (16820888).

Almost surely, 2^86507412 is an apocalyptic number.

It is an amenable number.

86507412 is an abundant number, since it is smaller than the sum of its proper divisors (115343244).

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

86507412 is a wasteful number, since it uses less digits than its factorization.

86507412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208958 (or 7208956 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 86507412 is about 9300.9360819221. The cubic root of 86507412 is about 442.2669026717.

The spelling of 86507412 in words is "eighty-six million, five hundred seven thousand, four hundred twelve".