427161356864088 has 768 divisors, whose sum is σ = 1447072520947200. Its totient is φ = 103540856832000.

The previous prime is 427161356864063. The next prime is 427161356864111. The reversal of 427161356864088 is 880468653161724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 25096129018 + ... + 25096146038.

It is an arithmetic number, because the mean of its divisors is an integer number (1884209011650).

Almost surely, 2^{427161356864088} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427161356864088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723536260473600).

427161356864088 is an abundant number, since it is smaller than the sum of its proper divisors (1019911164083112).

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

427161356864088 is a wasteful number, since it uses less digits than its factorization.

427161356864088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032 (or 18021 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 69.

The spelling of 427161356864088 in words is "four hundred twenty-seven trillion, one hundred sixty-one billion, three hundred fifty-six million, eight hundred sixty-four thousand, eighty-eight".