420238066677 has 64 divisors (see below), whose sum is σ = 715273789440. Its totient is φ = 215539833600.

The previous prime is 420238066643. The next prime is 420238066679. The reversal of 420238066677 is 776660832024.

It is not a de Polignac number, because 420238066677 - 2⁸ = 420238066421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420238066679) 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 63 ways as a sum of consecutive naturals, for example, 578878 + ... + 1084239.

It is an arithmetic number, because the mean of its divisors is an integer number (11176152960).

Almost surely, 2^420238066677 is an apocalyptic number.

It is an amenable number.

420238066677 is a deficient number, since it is larger than the sum of its proper divisors (295035722763).

420238066677 is a wasteful number, since it uses less digits than its factorization.

420238066677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663194.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 420238066677 in words is "four hundred twenty billion, two hundred thirty-eight million, sixty-six thousand, six hundred seventy-seven".