86784704 has 112 divisors (see below), whose sum is σ = 197510400. Its totient is φ = 37610496.

The previous prime is 86784689. The next prime is 86784743. The reversal of 86784704 is 40748768.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 811019 + ... + 811125.

Almost surely, 2^86784704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86784704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98755200).

86784704 is an abundant number, since it is smaller than the sum of its proper divisors (110725696).

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

86784704 is a wasteful number, since it uses less digits than its factorization.

86784704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 86784704 is about 9315.8308271458. The cubic root of 86784704 is about 442.7389480523.

The spelling of 86784704 in words is "eighty-six million, seven hundred eighty-four thousand, seven hundred four".