104643153954828 has 72 divisors (see below), whose sum is σ = 275790446830080. Its totient is φ = 33413073281280.

The previous prime is 104643153954827. The next prime is 104643153954853. The reversal of 104643153954828 is 828459351346401.

It is a happy number.

104643153954828 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 4 + 31 + 5 + 39 + 548 + 28 = 666.

It is a super-2 number, since 2×104643153954828² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104643153954827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394485153 + ... + 394750328.

It is an arithmetic number, because the mean of its divisors is an integer number (3830422872640).

Almost surely, 2^{104643153954828} is an apocalyptic number.

104643153954828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

104643153954828 is an abundant number, since it is smaller than the sum of its proper divisors (171147292875252).

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

104643153954828 is a wasteful number, since it uses less digits than its factorization.

104643153954828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789235647 (or 789235642 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 104643153954828 in words is "one hundred four trillion, six hundred forty-three billion, one hundred fifty-three million, nine hundred fifty-four thousand, eight hundred twenty-eight".