609108887 has 4 divisors (see below), whose sum is σ = 609158256. Its totient is φ = 609059520.

The previous prime is 609108869. The next prime is 609108893. The reversal of 609108887 is 788801906.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 609108887 - 2²⁴ = 592331671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609104887) 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, 11687 + ... + 36807.

It is an arithmetic number, because the mean of its divisors is an integer number (152289564).

Almost surely, 2^609108887 is an apocalyptic number.

609108887 is a deficient number, since it is larger than the sum of its proper divisors (49369).

609108887 is a wasteful number, since it uses less digits than its factorization.

609108887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49368.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 609108887 is about 24680.1314218543. The cubic root of 609108887 is about 847.6794314410.

The spelling of 609108887 in words is "six hundred nine million, one hundred eight thousand, eight hundred eighty-seven".