420875666709 has 8 divisors (see below), whose sum is σ = 566723670432. Its totient is φ = 277805720400.

The previous prime is 420875666707. The next prime is 420875666711. The reversal of 420875666709 is 907666578024.

It is an interprime number because it is at equal distance from previous prime (420875666707) and next prime (420875666711).

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

It is not a de Polignac number, because 420875666709 - 2¹ = 420875666707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420875666707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694513999 + ... + 694514604.

It is an arithmetic number, because the mean of its divisors is an integer number (70840458804).

Almost surely, 2^420875666709 is an apocalyptic number.

It is an amenable number.

420875666709 is a deficient number, since it is larger than the sum of its proper divisors (145848003723).

420875666709 is a wasteful number, since it uses less digits than its factorization.

420875666709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389028707.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 420875666709 in words is "four hundred twenty billion, eight hundred seventy-five million, six hundred sixty-six thousand, seven hundred nine".