427622625172 has 12 divisors (see below), whose sum is σ = 750224583220. Its totient is φ = 213272744256.

The previous prime is 427622625149. The next prime is 427622625191. The reversal of 427622625172 is 271526226724.

It can be written as a sum of positive squares in 2 ways, for example, as 165873740176 + 261748884996 = 407276^2 + 511614^2 .

It is a super-2 number, since 2×427622625172² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134640297 + ... + 134643472.

Almost surely, 2^427622625172 is an apocalyptic number.

It is an amenable number.

427622625172 is a deficient number, since it is larger than the sum of its proper divisors (322601958048).

427622625172 is a wasteful number, since it uses less digits than its factorization.

427622625172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269284170 (or 269284168 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The spelling of 427622625172 in words is "four hundred twenty-seven billion, six hundred twenty-two million, six hundred twenty-five thousand, one hundred seventy-two".