434907777823 has 4 divisors (see below), whose sum is σ = 434926283688. Its totient is φ = 434889271960.

The previous prime is 434907777763. The next prime is 434907777841. The reversal of 434907777823 is 328777709434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434907777823 - 2¹³ = 434907769631 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 (434907777023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9217636 + ... + 9264697.

It is an arithmetic number, because the mean of its divisors is an integer number (108731570922).

Almost surely, 2^434907777823 is an apocalyptic number.

434907777823 is a deficient number, since it is larger than the sum of its proper divisors (18505865).

434907777823 is a wasteful number, since it uses less digits than its factorization.

434907777823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18505864.

The product of its (nonzero) digits is 49787136, while the sum is 61.

The spelling of 434907777823 in words is "four hundred thirty-four billion, nine hundred seven million, seven hundred seventy-seven thousand, eight hundred twenty-three".