420008677 has 8 divisors (see below), whose sum is σ = 472972032. Its totient is φ = 369508800.

The previous prime is 420008657. The next prime is 420008689. The reversal of 420008677 is 776800024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420008677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420008627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615508 + ... + 616189.

It is an arithmetic number, because the mean of its divisors is an integer number (59121504).

Almost surely, 2^420008677 is an apocalyptic number.

It is an amenable number.

420008677 is a deficient number, since it is larger than the sum of its proper divisors (52963355).

420008677 is a wasteful number, since it uses less digits than its factorization.

420008677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231739.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 420008677 is about 20494.1132279491. The cubic root of 420008677 is about 748.8923959042.

The spelling of 420008677 in words is "four hundred twenty million, eight thousand, six hundred seventy-seven".