86436147 has 24 divisors (see below), whose sum is σ = 134422416. Its totient is φ = 49260288.

The previous prime is 86436137. The next prime is 86436179. The reversal of 86436147 is 74163468.

It is not a de Polignac number, because 86436147 - 2⁶ = 86436083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86436127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90223 + ... + 91175.

It is an arithmetic number, because the mean of its divisors is an integer number (5600934).

Almost surely, 2^86436147 is an apocalyptic number.

86436147 is a deficient number, since it is larger than the sum of its proper divisors (47986269).

86436147 is a wasteful number, since it uses less digits than its factorization.

86436147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1580 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 86436147 is about 9297.1042265858. The cubic root of 86436147 is about 442.1454224850.

The spelling of 86436147 in words is "eighty-six million, four hundred thirty-six thousand, one hundred forty-seven".