27885742838616 has 64 divisors (see below), whose sum is σ = 77106108088800. Its totient is φ = 8348330492928.

The previous prime is 27885742838609. The next prime is 27885742838633. The reversal of 27885742838616 is 61683824758872.

It is a super-2 number, since 2×27885742838616² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207790901 + ... + 1207813988.

Almost surely, 2^{27885742838616} is an apocalyptic number.

27885742838616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27885742838616 is an abundant number, since it is smaller than the sum of its proper divisors (49220365250184).

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

27885742838616 is a wasteful number, since it uses less digits than its factorization.

27885742838616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415604948 (or 2415604944 counting only the distinct ones).

The product of its digits is 1734082560, while the sum is 75.

The spelling of 27885742838616 in words is "twenty-seven trillion, eight hundred eighty-five billion, seven hundred forty-two million, eight hundred thirty-eight thousand, six hundred sixteen".