420468842687 has 8 divisors (see below), whose sum is σ = 421479002880. Its totient is φ = 419459123160.

The previous prime is 420468842663. The next prime is 420468842701. The reversal of 420468842687 is 786248864024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420468842687 - 2¹² = 420468838591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420468842657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841864 + ... + 2057522.

It is an arithmetic number, because the mean of its divisors is an integer number (52684875360).

Almost surely, 2^420468842687 is an apocalyptic number.

420468842687 is a deficient number, since it is larger than the sum of its proper divisors (1010160193).

420468842687 is a wasteful number, since it uses less digits than its factorization.

420468842687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220333.

The product of its (nonzero) digits is 33030144, while the sum is 59.

The spelling of 420468842687 in words is "four hundred twenty billion, four hundred sixty-eight million, eight hundred forty-two thousand, six hundred eighty-seven".