421827707707 has 8 divisors (see below), whose sum is σ = 510446974176. Its totient is φ = 340297982592.

The previous prime is 421827707689. The next prime is 421827707711. The reversal of 421827707707 is 707707728124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421827707707 is a prime.

It is a super-2 number, since 2×421827707707² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421827707747) 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, 1772385208 + ... + 1772385445.

It is an arithmetic number, because the mean of its divisors is an integer number (63805871772).

Almost surely, 2^421827707707 is an apocalyptic number.

421827707707 is a deficient number, since it is larger than the sum of its proper divisors (88619266469).

421827707707 is a wasteful number, since it uses less digits than its factorization.

421827707707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544770677.

The product of its (nonzero) digits is 2151296, while the sum is 52.

The spelling of 421827707707 in words is "four hundred twenty-one billion, eight hundred twenty-seven million, seven hundred seven thousand, seven hundred seven".