27064777377480 has 32 divisors (see below), whose sum is σ = 81194332132800. Its totient is φ = 7217273967296.

The previous prime is 27064777377461. The next prime is 27064777377497. The reversal of 27064777377480 is 8477377746072.

It is a super-2 number, since 2×27064777377480² (a number of 28 digits) 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, 112769905620 + ... + 112769905859.

It is an arithmetic number, because the mean of its divisors is an integer number (2537322879150).

Almost surely, 2^{27064777377480} is an apocalyptic number.

27064777377480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27064777377480 is an abundant number, since it is smaller than the sum of its proper divisors (54129554755320).

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

27064777377480 is a wasteful number, since it uses less digits than its factorization.

27064777377480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225539811493 (or 225539811489 counting only the distinct ones).

The product of its (nonzero) digits is 542126592, while the sum is 69.

The spelling of 27064777377480 in words is "twenty-seven trillion, sixty-four billion, seven hundred seventy-seven million, three hundred seventy-seven thousand, four hundred eighty".