427696818 has 8 divisors (see below), whose sum is σ = 855393648. Its totient is φ = 142565604.

The previous prime is 427696811. The next prime is 427696823. The reversal of 427696818 is 818696724.

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

427696818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (427696811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35641396 + ... + 35641407.

It is an arithmetic number, because the mean of its divisors is an integer number (106924206).

Almost surely, 2^427696818 is an apocalyptic number.

427696818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

427696818 is a wasteful number, since it uses less digits than its factorization.

427696818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71282808.

The product of its digits is 1161216, while the sum is 51.

The square root of 427696818 is about 20680.8321399309. The cubic root of 427696818 is about 753.4342170913.

The spelling of 427696818 in words is "four hundred twenty-seven million, six hundred ninety-six thousand, eight hundred eighteen".