606633609987 has 72 divisors (see below), whose sum is σ = 947230415040. Its totient is φ = 387855604800.

The previous prime is 606633609977. The next prime is 606633609991. The reversal of 606633609987 is 789906336606.

It is not a de Polignac number, because 606633609987 - 2¹⁹ = 606633085699 is a prime.

It is a super-2 number, since 2×606633609987² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (606633609917) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 24087912 + ... + 24113082.

Almost surely, 2^606633609987 is an apocalyptic number.

606633609987 is a deficient number, since it is larger than the sum of its proper divisors (340596805053).

606633609987 is an equidigital number, since it uses as much as digits as its factorization.

606633609987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25327 (or 25274 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 63.

The spelling of 606633609987 in words is "six hundred six billion, six hundred thirty-three million, six hundred nine thousand, nine hundred eighty-seven".