421316877 has 16 divisors (see below), whose sum is σ = 582906368. Its totient is φ = 270397440.

The previous prime is 421316851. The next prime is 421316897. The reversal of 421316877 is 778613124.

It is not a de Polignac number, because 421316877 - 2¹⁴ = 421300493 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421316897) 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, 6213 + ... + 29685.

It is an arithmetic number, because the mean of its divisors is an integer number (36431648).

Almost surely, 2^421316877 is an apocalyptic number.

It is an amenable number.

421316877 is a deficient number, since it is larger than the sum of its proper divisors (161589491).

421316877 is a wasteful number, since it uses less digits than its factorization.

421316877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23700.

The product of its digits is 56448, while the sum is 39.

The square root of 421316877 is about 20526.0048962286. The cubic root of 421316877 is about 749.6691144856.

The spelling of 421316877 in words is "four hundred twenty-one million, three hundred sixteen thousand, eight hundred seventy-seven".