434789849978 has 16 divisors (see below), whose sum is σ = 714308868000. Its totient is φ = 196844370000.

The previous prime is 434789849953. The next prime is 434789850013. The reversal of 434789849978 is 879948987434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39363353 + ... + 39374396.

It is an arithmetic number, because the mean of its divisors is an integer number (44644304250).

Almost surely, 2^434789849978 is an apocalyptic number.

434789849978 is a deficient number, since it is larger than the sum of its proper divisors (279519018022).

434789849978 is a wasteful number, since it uses less digits than its factorization.

434789849978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78738013.

The product of its digits is 3511517184, while the sum is 80.

The spelling of 434789849978 in words is "four hundred thirty-four billion, seven hundred eighty-nine million, eight hundred forty-nine thousand, nine hundred seventy-eight".