420127678 has 8 divisors (see below), whose sum is σ = 633712680. Its totient is φ = 208890120.

The previous prime is 420127667. The next prime is 420127691. The reversal of 420127678 is 876721024.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586413 + ... + 587128.

It is an arithmetic number, because the mean of its divisors is an integer number (79214085).

Almost surely, 2^420127678 is an apocalyptic number.

420127678 is a deficient number, since it is larger than the sum of its proper divisors (213585002).

420127678 is a wasteful number, since it uses less digits than its factorization.

420127678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173722.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 420127678 is about 20497.0163194549. The cubic root of 420127678 is about 748.9631170850.

The spelling of 420127678 in words is "four hundred twenty million, one hundred twenty-seven thousand, six hundred seventy-eight".