609361879 has 32 divisors (see below), whose sum is σ = 728060544. Its totient is φ = 499322880.

The previous prime is 609361877. The next prime is 609361919. The reversal of 609361879 is 978163906.

It is not a de Polignac number, because 609361879 - 2¹ = 609361877 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 (609361877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3522237 + ... + 3522409.

It is an arithmetic number, because the mean of its divisors is an integer number (22751892).

Almost surely, 2^609361879 is an apocalyptic number.

609361879 is a deficient number, since it is larger than the sum of its proper divisors (118698665).

609361879 is a wasteful number, since it uses less digits than its factorization.

609361879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 609361879 is about 24685.2563081691. The cubic root of 609361879 is about 847.7967757751.

The spelling of 609361879 in words is "six hundred nine million, three hundred sixty-one thousand, eight hundred seventy-nine".