420840083627 has 4 divisors (see below), whose sum is σ = 430627062360. Its totient is φ = 411053104896.

The previous prime is 420840083623. The next prime is 420840083641. The reversal of 420840083627 is 726380048024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420840083627 - 2² = 420840083623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420840083623) 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 3 ways as a sum of consecutive naturals, for example, 4893489302 + ... + 4893489387.

It is an arithmetic number, because the mean of its divisors is an integer number (107656765590).

Almost surely, 2^420840083627 is an apocalyptic number.

420840083627 is a deficient number, since it is larger than the sum of its proper divisors (9786978733).

420840083627 is an equidigital number, since it uses as much as digits as its factorization.

420840083627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9786978732.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 420840083627 in words is "four hundred twenty billion, eight hundred forty million, eighty-three thousand, six hundred twenty-seven".