86536545 has 64 divisors (see below), whose sum is σ = 157697280. Its totient is φ = 40255488.

The previous prime is 86536529. The next prime is 86536559. The reversal of 86536545 is 54563568.

It is a happy number.

It is not a de Polignac number, because 86536545 - 2⁴ = 86536529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86536497 and 86536506.

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 63 ways as a sum of consecutive naturals, for example, 256617 + ... + 256953.

It is an arithmetic number, because the mean of its divisors is an integer number (2464020).

Almost surely, 2^86536545 is an apocalyptic number.

86536545 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86536545 is a deficient number, since it is larger than the sum of its proper divisors (71160735).

86536545 is a wasteful number, since it uses less digits than its factorization.

86536545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 432000, while the sum is 42.

The square root of 86536545 is about 9302.5020827732. The cubic root of 86536545 is about 442.3165443355.

The spelling of 86536545 in words is "eighty-six million, five hundred thirty-six thousand, five hundred forty-five".