420775411 has 8 divisors (see below), whose sum is σ = 481960800. Its totient is φ = 359858688.

The previous prime is 420775367. The next prime is 420775417. The reversal of 420775411 is 114577024.

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

It is not a de Polignac number, because 420775411 - 2⁷ = 420775283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420775417) 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, 63796 + ... + 70081.

It is an arithmetic number, because the mean of its divisors is an integer number (60245100).

Almost surely, 2^420775411 is an apocalyptic number.

420775411 is a deficient number, since it is larger than the sum of its proper divisors (61185389).

420775411 is a wasteful number, since it uses less digits than its factorization.

420775411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134333.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 420775411 is about 20512.8108995330. The cubic root of 420775411 is about 749.3478247580.

The spelling of 420775411 in words is "four hundred twenty million, seven hundred seventy-five thousand, four hundred eleven".