607878989 has 8 divisors (see below), whose sum is σ = 647064000. Its totient is φ = 569413152.

The previous prime is 607878967. The next prime is 607878991. The reversal of 607878989 is 989878706.

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

It is a cyclic number.

It is not a de Polignac number, because 607878989 - 2¹² = 607874893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607878959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178049 + ... + 181430.

It is an arithmetic number, because the mean of its divisors is an integer number (80883000).

Almost surely, 2^607878989 is an apocalyptic number.

It is an amenable number.

607878989 is a deficient number, since it is larger than the sum of its proper divisors (39185011).

607878989 is a wasteful number, since it uses less digits than its factorization.

607878989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359587.

The product of its (nonzero) digits is 12192768, while the sum is 62.

The square root of 607878989 is about 24655.2020677179. The cubic root of 607878989 is about 847.1085090376.

The spelling of 607878989 in words is "six hundred seven million, eight hundred seventy-eight thousand, nine hundred eighty-nine".