104857680 has 80 divisors (see below), whose sum is σ = 329961024. Its totient is φ = 27540480.

The previous prime is 104857639. The next prime is 104857681. The reversal of 104857680 is 86758401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104857681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12820 + ... + 19340.

Almost surely, 2^104857680 is an apocalyptic number.

104857680 is a gapful number since it is divisible by the number (10) 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 104857680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164980512).

104857680 is an abundant number, since it is smaller than the sum of its proper divisors (225103344).

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

104857680 is a wasteful number, since it uses less digits than its factorization.

104857680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604 (or 6598 counting only the distinct ones).

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

The square root of 104857680 is about 10240.0039062493. The cubic root of 104857680 is about 471.5561517488.

The spelling of 104857680 in words is "one hundred four million, eight hundred fifty-seven thousand, six hundred eighty".