424677216856 has 8 divisors (see below), whose sum is σ = 796269781620. Its totient is φ = 212338608424.

The previous prime is 424677216851. The next prime is 424677216877. The reversal of 424677216856 is 658612776424.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 424677216856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424677216851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26542326046 + ... + 26542326061.

Almost surely, 2^424677216856 is an apocalyptic number.

It is an amenable number.

424677216856 is a deficient number, since it is larger than the sum of its proper divisors (371592564764).

424677216856 is a wasteful number, since it uses less digits than its factorization.

424677216856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53084652113 (or 53084652109 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 58.

The spelling of 424677216856 in words is "four hundred twenty-four billion, six hundred seventy-seven million, two hundred sixteen thousand, eight hundred fifty-six".