104867661780 has 144 divisors (see below), whose sum is σ = 382675063680. Its totient is φ = 22708180224.

The previous prime is 104867661739. The next prime is 104867661841. The reversal of 104867661780 is 87166768401.

104867661780 is a `hidden beast` number, since 1 + 0 + 486 + 76 + 6 + 17 + 80 = 666.

It is a super-3 number, since 3×104867661780³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2166279 + ... + 2214158.

It is an arithmetic number, because the mean of its divisors is an integer number (2657465720).

Almost surely, 2^104867661780 is an apocalyptic number.

104867661780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104867661780 is an abundant number, since it is smaller than the sum of its proper divisors (277807401900).

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

104867661780 is a wasteful number, since it uses less digits than its factorization.

104867661780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380478 (or 4380473 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 104867661780 in words is "one hundred four billion, eight hundred sixty-seven million, six hundred sixty-one thousand, seven hundred eighty".