421871480885 has 16 divisors (see below), whose sum is σ = 517221006336. Its totient is φ = 330186033408.

The previous prime is 421871480879. The next prime is 421871480887. The reversal of 421871480885 is 588084178124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 421871480885 - 2²⁸ = 421603045429 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 421871480885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421871480887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244637 + ... + 950573.

It is an arithmetic number, because the mean of its divisors is an integer number (32326312896).

Almost surely, 2^421871480885 is an apocalyptic number.

It is an amenable number.

421871480885 is a deficient number, since it is larger than the sum of its proper divisors (95349525451).

421871480885 is a wasteful number, since it uses less digits than its factorization.

421871480885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708532.

The product of its (nonzero) digits is 4587520, while the sum is 56.

The spelling of 421871480885 in words is "four hundred twenty-one billion, eight hundred seventy-one million, four hundred eighty thousand, eight hundred eighty-five".