427666147876 has 48 divisors (see below), whose sum is σ = 865274260032. Its totient is φ = 182790732800.

The previous prime is 427666147829. The next prime is 427666147891. The reversal of 427666147876 is 678741666724.

It is a happy number.

It is a super-2 number, since 2×427666147876² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554040 + ... + 1078096.

It is an arithmetic number, because the mean of its divisors is an integer number (18026547084).

Almost surely, 2^427666147876 is an apocalyptic number.

It is an amenable number.

427666147876 is an abundant number, since it is smaller than the sum of its proper divisors (437608112156).

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

427666147876 is a wasteful number, since it uses less digits than its factorization.

427666147876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525180 (or 525178 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 64.

The spelling of 427666147876 in words is "four hundred twenty-seven billion, six hundred sixty-six million, one hundred forty-seven thousand, eight hundred seventy-six".