421027377 has 16 divisors (see below), whose sum is σ = 571142208. Its totient is φ = 275834880.

The previous prime is 421027367. The next prime is 421027379. The reversal of 421027377 is 773720124.

It is not a de Polignac number, because 421027377 - 2⁴ = 421027361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421027379) 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 15 ways as a sum of consecutive naturals, for example, 43677 + ... + 52437.

It is an arithmetic number, because the mean of its divisors is an integer number (35696388).

Almost surely, 2^421027377 is an apocalyptic number.

It is an amenable number.

421027377 is a deficient number, since it is larger than the sum of its proper divisors (150114831).

421027377 is a wasteful number, since it uses less digits than its factorization.

421027377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 421027377 is about 20518.9516545071. The cubic root of 421027377 is about 749.4973681124.

The spelling of 421027377 in words is "four hundred twenty-one million, twenty-seven thousand, three hundred seventy-seven".