434677816508 has 96 divisors (see below), whose sum is σ = 884906902656. Its totient is φ = 185015181312.

The previous prime is 434677816481. The next prime is 434677816537. The reversal of 434677816508 is 805618776434.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38553560 + ... + 38564832.

It is an arithmetic number, because the mean of its divisors is an integer number (9217780236).

Almost surely, 2^434677816508 is an apocalyptic number.

It is an amenable number.

434677816508 is an abundant number, since it is smaller than the sum of its proper divisors (450229086148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434677816508 is a wasteful number, since it uses less digits than its factorization.

434677816508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12183 (or 12181 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 434677816508 in words is "four hundred thirty-four billion, six hundred seventy-seven million, eight hundred sixteen thousand, five hundred eight".