609429877 has 4 divisors (see below), whose sum is σ = 696491296. Its totient is φ = 522368460.

The previous prime is 609429869. The next prime is 609429893. The reversal of 609429877 is 778924906.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778924906 = 2 ⋅389462453.

It is a cyclic number.

It is not a de Polignac number, because 609429877 - 2³ = 609429869 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 (609429377) 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, 43530699 + ... + 43530712.

It is an arithmetic number, because the mean of its divisors is an integer number (174122824).

Almost surely, 2^609429877 is an apocalyptic number.

It is an amenable number.

609429877 is a deficient number, since it is larger than the sum of its proper divisors (87061419).

609429877 is an equidigital number, since it uses as much as digits as its factorization.

609429877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87061418.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 609429877 is about 24686.6335696060. The cubic root of 609429877 is about 847.8283094953.

The spelling of 609429877 in words is "six hundred nine million, four hundred twenty-nine thousand, eight hundred seventy-seven".