104871240639 has 48 divisors (see below), whose sum is σ = 174543707520. Its totient is φ = 60007331520.

The previous prime is 104871240629. The next prime is 104871240673. The reversal of 104871240639 is 936042178401.

104871240639 is a `hidden beast` number, since 1 + 0 + 4 + 8 + 7 + 1 + 2 + 4 + 0 + 639 = 666.

It is not a de Polignac number, because 104871240639 - 2¹⁵ = 104871207871 is a prime.

It is a super-2 number, since 2×104871240639² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104871240594 and 104871240603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104871240629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455992 + ... + 646274.

It is an arithmetic number, because the mean of its divisors is an integer number (3636327240).

Almost surely, 2^104871240639 is an apocalyptic number.

104871240639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

104871240639 is a deficient number, since it is larger than the sum of its proper divisors (69672466881).

104871240639 is a wasteful number, since it uses less digits than its factorization.

104871240639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190612 (or 190609 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 104871240639 in words is "one hundred four billion, eight hundred seventy-one million, two hundred forty thousand, six hundred thirty-nine".