420830783805 has 8 divisors (see below), whose sum is σ = 673329254112. Its totient is φ = 224443084688.

The previous prime is 420830783749. The next prime is 420830783827. The reversal of 420830783805 is 508387038024.

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 420830783805 - 2⁶ = 420830783741 is a prime.

It is a congruent number.

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, 14027692779 + ... + 14027692808.

It is an arithmetic number, because the mean of its divisors is an integer number (84166156764).

Almost surely, 2^420830783805 is an apocalyptic number.

It is an amenable number.

420830783805 is a deficient number, since it is larger than the sum of its proper divisors (252498470307).

420830783805 is a wasteful number, since it uses less digits than its factorization.

420830783805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055385595.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 420830783805 in words is "four hundred twenty billion, eight hundred thirty million, seven hundred eighty-three thousand, eight hundred five".