421078632117 has 32 divisors (see below), whose sum is σ = 698391227520. Its totient is φ = 221711493120.

The previous prime is 421078632109. The next prime is 421078632131. The reversal of 421078632117 is 711236870124.

It is not a de Polignac number, because 421078632117 - 2³ = 421078632109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421078632137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28861392 + ... + 28875977.

It is an arithmetic number, because the mean of its divisors is an integer number (21824725860).

Almost surely, 2^421078632117 is an apocalyptic number.

It is an amenable number.

421078632117 is a deficient number, since it is larger than the sum of its proper divisors (277312595403).

421078632117 is a wasteful number, since it uses less digits than its factorization.

421078632117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57737413.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 421078632117 in words is "four hundred twenty-one billion, seventy-eight million, six hundred thirty-two thousand, one hundred seventeen".