64327427480 has 32 divisors (see below), whose sum is σ = 144752950800. Its totient is φ = 25728084096.

The previous prime is 64327427473. The next prime is 64327427497. The reversal of 64327427480 is 8472472346.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 290606 + ... + 461634.

Almost surely, 2^64327427480 is an apocalyptic number.

It is an amenable number.

64327427480 is an abundant number, since it is smaller than the sum of its proper divisors (80425523320).

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

64327427480 is a wasteful number, since it uses less digits than its factorization.

64327427480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180443 (or 180439 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 64327427480 in words is "sixty-four billion, three hundred twenty-seven million, four hundred twenty-seven thousand, four hundred eighty".