607646987 has 4 divisors (see below), whose sum is σ = 613221840. Its totient is φ = 602072136.

The previous prime is 607646981. The next prime is 607647013. The reversal of 607646987 is 789646706.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 607646987 - 2⁴ = 607646971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (607646981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787263 + ... + 2787480.

It is an arithmetic number, because the mean of its divisors is an integer number (153305460).

Almost surely, 2^607646987 is an apocalyptic number.

607646987 is a deficient number, since it is larger than the sum of its proper divisors (5574853).

607646987 is a wasteful number, since it uses less digits than its factorization.

607646987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574852.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 607646987 is about 24650.4966887079. The cubic root of 607646987 is about 847.0007266885. Note that the first 3 decimals are identical.

The spelling of 607646987 in words is "six hundred seven million, six hundred forty-six thousand, nine hundred eighty-seven".