420936894876 has 12 divisors (see below), whose sum is σ = 982186088072. Its totient is φ = 140312298288.

The previous prime is 420936894869. The next prime is 420936894877. The reversal of 420936894876 is 678498639024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420936894877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17539037275 + ... + 17539037298.

Almost surely, 2^420936894876 is an apocalyptic number.

It is an amenable number.

420936894876 is an abundant number, since it is smaller than the sum of its proper divisors (561249193196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420936894876 is a wasteful number, since it uses less digits than its factorization.

420936894876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078074580 (or 35078074578 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 66.

The spelling of 420936894876 in words is "four hundred twenty billion, nine hundred thirty-six million, eight hundred ninety-four thousand, eight hundred seventy-six".