1427681862 has 48 divisors (see below), whose sum is σ = 3396596112. Its totient is φ = 447897600.

The previous prime is 1427681837. The next prime is 1427681911. The reversal of 1427681862 is 2681867241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78139 + ... + 94662.

It is an arithmetic number, because the mean of its divisors is an integer number (70762419).

Almost surely, 2^1427681862 is an apocalyptic number.

1427681862 is an abundant number, since it is smaller than the sum of its proper divisors (1968914250).

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

1427681862 is a wasteful number, since it uses less digits than its factorization.

1427681862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172835 (or 172823 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 1427681862 is about 37784.6776087874. The cubic root of 1427681862 is about 1126.0140616622.

The spelling of 1427681862 in words is "one billion, four hundred twenty-seven million, six hundred eighty-one thousand, eight hundred sixty-two".