104169780 has 384 divisors, whose sum is σ = 406425600. Its totient is φ = 21772800.

The previous prime is 104169773. The next prime is 104169803. The reversal of 104169780 is 87961401.

104169780 = T₁₉ + T₂₀ + ... + T₈₅₄.

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

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 127 ways as a sum of consecutive naturals, for example, 1467145 + ... + 1467215.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^104169780 is an apocalyptic number.

104169780 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 104169780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203212800).

104169780 is an abundant number, since it is smaller than the sum of its proper divisors (302255820).

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

104169780 is a wasteful number, since it uses less digits than its factorization.

104169780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 104169780 is about 10206.3597820183. The cubic root of 104169780 is about 470.5227020080.

The spelling of 104169780 in words is "one hundred four million, one hundred sixty-nine thousand, seven hundred eighty".