86785104 has 80 divisors (see below), whose sum is σ = 257876352. Its totient is φ = 24635904.

The previous prime is 86785079. The next prime is 86785123. The reversal of 86785104 is 40158768.

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, 57382 + ... + 58874.

Almost surely, 2^86785104 is an apocalyptic number.

86785104 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86785104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128938176).

86785104 is an abundant number, since it is smaller than the sum of its proper divisors (171091248).

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

86785104 is a wasteful number, since it uses less digits than its factorization.

86785104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 86785104 is about 9315.8522959523. The cubic root of 86785104 is about 442.7396282617.

The spelling of 86785104 in words is "eighty-six million, seven hundred eighty-five thousand, one hundred four".