427171070831 has 8 divisors (see below), whose sum is σ = 428267615904. Its totient is φ = 426075929440.

The previous prime is 427171070827. The next prime is 427171070863. The reversal of 427171070831 is 138070171724.

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 427171070831 - 2² = 427171070827 is a prime.

It is a super-2 number, since 2×427171070831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427171070531) 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, 259865 + ... + 960141.

It is an arithmetic number, because the mean of its divisors is an integer number (53533451988).

Almost surely, 2^427171070831 is an apocalyptic number.

427171070831 is a deficient number, since it is larger than the sum of its proper divisors (1096545073).

427171070831 is an equidigital number, since it uses as much as digits as its factorization.

427171070831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701841.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 427171070831 in words is "four hundred twenty-seven billion, one hundred seventy-one million, seventy thousand, eight hundred thirty-one".