104640678 has 24 divisors (see below), whose sum is σ = 240058728. Its totient is φ = 32828352.

The previous prime is 104640677. The next prime is 104640691. The reversal of 104640678 is 876046401.

104640678 is a `hidden beast` number, since 1 + 0 + 4 + 640 + 6 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104640677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170676 + ... + 171287.

It is an arithmetic number, because the mean of its divisors is an integer number (10002447).

Almost surely, 2^104640678 is an apocalyptic number.

104640678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

104640678 is an abundant number, since it is smaller than the sum of its proper divisors (135418050).

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

104640678 is a wasteful number, since it uses less digits than its factorization.

104640678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341988 (or 341985 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 104640678 is about 10229.4026218543. The cubic root of 104640678 is about 471.2306333932.

The spelling of 104640678 in words is "one hundred four million, six hundred forty thousand, six hundred seventy-eight".