27308457066 has 32 divisors (see below), whose sum is σ = 62717990400. Its totient is φ = 7839748080.

The previous prime is 27308457041. The next prime is 27308457091. The reversal of 27308457066 is 66075480372.

It is an interprime number because it is at equal distance from previous prime (27308457041) and next prime (27308457091).

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, 10887286 + ... + 10889793.

It is an arithmetic number, because the mean of its divisors is an integer number (1959937200).

Almost surely, 2^27308457066 is an apocalyptic number.

27308457066 is an abundant number, since it is smaller than the sum of its proper divisors (35409533334).

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

27308457066 is a wasteful number, since it uses less digits than its factorization.

27308457066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21777114.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 27308457066 in words is "twenty-seven billion, three hundred eight million, four hundred fifty-seven thousand, sixty-six".