1427487806664 has 48 divisors (see below), whose sum is σ = 3887711240400. Its totient is φ = 473171000544.

The previous prime is 1427487806651. The next prime is 1427487806687. The reversal of 1427487806664 is 4666087847241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55367614 + ... + 55393389.

It is an arithmetic number, because the mean of its divisors is an integer number (80993984175).

Almost surely, 2^{1427487806664} is an apocalyptic number.

It is an amenable number.

1427487806664 is an abundant number, since it is smaller than the sum of its proper divisors (2460223433736).

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

1427487806664 is a wasteful number, since it uses less digits than its factorization.

1427487806664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110761194 (or 110761187 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 63.

The spelling of 1427487806664 in words is "one trillion, four hundred twenty-seven billion, four hundred eighty-seven million, eight hundred six thousand, six hundred sixty-four".