427818855091876 has 24 divisors (see below), whose sum is σ = 752514530040000. Its totient is φ = 212814901674144.

The previous prime is 427818855091829. The next prime is 427818855091939. The reversal of 427818855091876 is 678190558818724.

It is a junction number, because it is equal to n+sod(n) for n = 427818855091796 and 427818855091805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16103491 + ... + 33391018.

It is an arithmetic number, because the mean of its divisors is an integer number (31354772085000).

Almost surely, 2^{427818855091876} is an apocalyptic number.

It is an amenable number.

427818855091876 is a deficient number, since it is larger than the sum of its proper divisors (324695674948124).

427818855091876 is a wasteful number, since it uses less digits than its factorization.

427818855091876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49505571 (or 49505569 counting only the distinct ones).

The product of its (nonzero) digits is 2167603200, while the sum is 79.

The spelling of 427818855091876 in words is "four hundred twenty-seven trillion, eight hundred eighteen billion, eight hundred fifty-five million, ninety-one thousand, eight hundred seventy-six".