104257780 has 24 divisors (see below), whose sum is σ = 238845600. Its totient is φ = 37911840.

The previous prime is 104257763. The next prime is 104257789. The reversal of 104257780 is 87752401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104257789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236730 + ... + 237169.

It is an arithmetic number, because the mean of its divisors is an integer number (9951900).

Almost surely, 2^104257780 is an apocalyptic number.

104257780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104257780 is an abundant number, since it is smaller than the sum of its proper divisors (134587820).

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

104257780 is a wasteful number, since it uses less digits than its factorization.

104257780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473919 (or 473917 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 104257780 is about 10210.6699094624. The cubic root of 104257780 is about 470.6551599488.

The spelling of 104257780 in words is "one hundred four million, two hundred fifty-seven thousand, seven hundred eighty".