234455777789 has 8 divisors (see below), whose sum is σ = 238720267968. Its totient is φ = 230213792160.

The previous prime is 234455777783. The next prime is 234455777819. The reversal of 234455777789 is 987777554432.

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 234455777789 - 2³² = 230160810493 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234455777783) 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, 5605112 + ... + 5646785.

It is an arithmetic number, because the mean of its divisors is an integer number (29840033496).

Almost surely, 2^234455777789 is an apocalyptic number.

It is an amenable number.

234455777789 is a deficient number, since it is larger than the sum of its proper divisors (4264490179).

234455777789 is a wasteful number, since it uses less digits than its factorization.

234455777789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252275.

The product of its digits is 414892800, while the sum is 68.

The spelling of 234455777789 in words is "two hundred thirty-four billion, four hundred fifty-five million, seven hundred seventy-seven thousand, seven hundred eighty-nine".