609077813 has 8 divisors (see below), whose sum is σ = 644844000. Its totient is φ = 573682608.

The previous prime is 609077809. The next prime is 609077947. The reversal of 609077813 is 318770906.

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 609077813 - 2² = 609077809 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 (609077803) 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, 89363 + ... + 95936.

It is an arithmetic number, because the mean of its divisors is an integer number (80605500).

Almost surely, 2^609077813 is an apocalyptic number.

It is an amenable number.

609077813 is a deficient number, since it is larger than the sum of its proper divisors (35766187).

609077813 is a wasteful number, since it uses less digits than its factorization.

609077813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185491.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 609077813 is about 24679.5018790899. The cubic root of 609077813 is about 847.6650162633.

The spelling of 609077813 in words is "six hundred nine million, seventy-seven thousand, eight hundred thirteen".