104556780 has 36 divisors (see below), whose sum is σ = 317156112. Its totient is φ = 27881760.

The previous prime is 104556761. The next prime is 104556787. The reversal of 104556780 is 87655401.

104556780 is a `hidden beast` number, since 10 + 4 + 5 + 567 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (104556787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290256 + ... + 290615.

It is an arithmetic number, because the mean of its divisors is an integer number (8809892).

Almost surely, 2^104556780 is an apocalyptic number.

104556780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104556780 is an abundant number, since it is smaller than the sum of its proper divisors (212599332).

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

104556780 is a wasteful number, since it uses less digits than its factorization.

104556780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580886 (or 580881 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 104556780 is about 10225.3009735655. The cubic root of 104556780 is about 471.1046598259.

The spelling of 104556780 in words is "one hundred four million, five hundred fifty-six thousand, seven hundred eighty".