27213905064 has 16 divisors (see below), whose sum is σ = 68034762720. Its totient is φ = 9071301680.

The previous prime is 27213905053. The next prime is 27213905083. The reversal of 27213905064 is 46050931272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566956332 + ... + 566956379.

It is an arithmetic number, because the mean of its divisors is an integer number (4252172670).

Almost surely, 2^27213905064 is an apocalyptic number.

27213905064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27213905064 is an abundant number, since it is smaller than the sum of its proper divisors (40820857656).

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

27213905064 is a wasteful number, since it uses less digits than its factorization.

27213905064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133912720 (or 1133912716 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 27213905064 in words is "twenty-seven billion, two hundred thirteen million, nine hundred five thousand, sixty-four".