427885618 has 16 divisors (see below), whose sum is σ = 653028480. Its totient is φ = 210229600.

The previous prime is 427885609. The next prime is 427885663. The reversal of 427885618 is 816588724.

It is a super-2 number, since 2×427885618² = 366172204182483848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39318 + ... + 49006.

It is an arithmetic number, because the mean of its divisors is an integer number (40814280).

Almost surely, 2^427885618 is an apocalyptic number.

427885618 is a deficient number, since it is larger than the sum of its proper divisors (225142862).

427885618 is a wasteful number, since it uses less digits than its factorization.

427885618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073.

The product of its digits is 860160, while the sum is 49.

The square root of 427885618 is about 20685.3962495283. The cubic root of 427885618 is about 753.5450646576.

The spelling of 427885618 in words is "four hundred twenty-seven million, eight hundred eighty-five thousand, six hundred eighteen".