86445808 has 20 divisors (see below), whose sum is σ = 167723640. Its totient is φ = 43162304.

The previous prime is 86445803. The next prime is 86445823. The reversal of 86445808 is 80854468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86445803) 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 3 ways as a sum of consecutive naturals, for example, 9363 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (8386182).

Almost surely, 2^86445808 is an apocalyptic number.

It is an amenable number.

86445808 is a deficient number, since it is larger than the sum of its proper divisors (81277832).

86445808 is a wasteful number, since it uses less digits than its factorization.

86445808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584 (or 7578 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 86445808 is about 9297.6237824511. The cubic root of 86445808 is about 442.1618947902.

The spelling of 86445808 in words is "eighty-six million, four hundred forty-five thousand, eight hundred eight".