613779089 has 8 divisors (see below), whose sum is σ = 765231168. Its totient is φ = 478269360.

The previous prime is 613779079. The next prime is 613779091. The reversal of 613779089 is 980977316.

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 613779089 - 2⁸ = 613778833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613779029) 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, 3985502 + ... + 3985655.

It is an arithmetic number, because the mean of its divisors is an integer number (95653896).

Almost surely, 2^613779089 is an apocalyptic number.

It is an amenable number.

613779089 is a deficient number, since it is larger than the sum of its proper divisors (151452079).

613779089 is a wasteful number, since it uses less digits than its factorization.

613779089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7971175.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 613779089 is about 24774.5653645024. The cubic root of 613779089 is about 849.8403801771.

The spelling of 613779089 in words is "six hundred thirteen million, seven hundred seventy-nine thousand, eighty-nine".