427187941918 has 8 divisors (see below), whose sum is σ = 645025502160. Its totient is φ = 212179441200.

The previous prime is 427187941907. The next prime is 427187941931. The reversal of 427187941918 is 819149781724.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707264503 + ... + 707265106.

It is an arithmetic number, because the mean of its divisors is an integer number (80628187770).

Almost surely, 2^427187941918 is an apocalyptic number.

427187941918 is a deficient number, since it is larger than the sum of its proper divisors (217837560242).

427187941918 is a wasteful number, since it uses less digits than its factorization.

427187941918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414529762.

The product of its digits is 8128512, while the sum is 61.

The spelling of 427187941918 in words is "four hundred twenty-seven billion, one hundred eighty-seven million, nine hundred forty-one thousand, nine hundred eighteen".