419972871 has 24 divisors (see below), whose sum is σ = 577792000. Its totient is φ = 271322352.

The previous prime is 419972857. The next prime is 419972887. The reversal of 419972871 is 178279914.

It is not a de Polignac number, because 419972871 - 2⁶ = 419972807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 419972871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419972821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841380 + ... + 841878.

Almost surely, 2^419972871 is an apocalyptic number.

419972871 is a deficient number, since it is larger than the sum of its proper divisors (157819129).

419972871 is a wasteful number, since it uses less digits than its factorization.

419972871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 676 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 419972871 is about 20493.2396414037. The cubic root of 419972871 is about 748.8711141192.

The spelling of 419972871 in words is "four hundred nineteen million, nine hundred seventy-two thousand, eight hundred seventy-one".