86404784 has 10 divisors (see below), whose sum is σ = 167409300. Its totient is φ = 43202384.

The previous prime is 86404757. The next prime is 86404789. The reversal of 86404784 is 48740468.

It is not an unprimeable number, because it can be changed into a prime (86404789) 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 as a sum of consecutive naturals, namely, 2700134 + ... + 2700165.

It is an arithmetic number, because the mean of its divisors is an integer number (16740930).

Almost surely, 2^86404784 is an apocalyptic number.

It is an amenable number.

86404784 is a deficient number, since it is larger than the sum of its proper divisors (81004516).

86404784 is a wasteful number, since it uses less digits than its factorization.

86404784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400307 (or 5400301 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 86404784 is about 9295.4173655625. The cubic root of 86404784 is about 442.0919391338.

The spelling of 86404784 in words is "eighty-six million, four hundred four thousand, seven hundred eighty-four".