427660684622 has 8 divisors (see below), whose sum is σ = 643580575176. Its totient is φ = 213133826232.

The previous prime is 427660684609. The next prime is 427660684643. The reversal of 427660684622 is 226486066724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×427660684622² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 348257273 + ... + 348258500.

It is an arithmetic number, because the mean of its divisors is an integer number (80447571897).

Almost surely, 2^427660684622 is an apocalyptic number.

427660684622 is a deficient number, since it is larger than the sum of its proper divisors (215919890554).

427660684622 is a wasteful number, since it uses less digits than its factorization.

427660684622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696516082.

The product of its (nonzero) digits is 9289728, while the sum is 53.

The spelling of 427660684622 in words is "four hundred twenty-seven billion, six hundred sixty million, six hundred eighty-four thousand, six hundred twenty-two".