428624584706 has 4 divisors (see below), whose sum is σ = 642936877062. Its totient is φ = 214312292352.

The previous prime is 428624584699. The next prime is 428624584721. The reversal of 428624584706 is 607485426824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 282023661481 + 146600923225 = 531059^2 + 382885^2 .

It is a super-2 number, since 2×428624584706² (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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107156146175 + ... + 107156146178.

Almost surely, 2^428624584706 is an apocalyptic number.

428624584706 is a deficient number, since it is larger than the sum of its proper divisors (214312292356).

428624584706 is a wasteful number, since it uses less digits than its factorization.

428624584706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214312292355.

The product of its (nonzero) digits is 20643840, while the sum is 56.

The spelling of 428624584706 in words is "four hundred twenty-eight billion, six hundred twenty-four million, five hundred eighty-four thousand, seven hundred six".