27078221312650 has 48 divisors (see below), whose sum is σ = 50893942132800. Its totient is φ = 10717806476160.

The previous prime is 27078221312633. The next prime is 27078221312707. The reversal of 27078221312650 is 5621312287072.

It is a self number, because there is not a number n which added to its sum of digits gives 27078221312650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4598821 + ... + 8677879.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290461100).

Almost surely, 2^{27078221312650} is an apocalyptic number.

27078221312650 is a deficient number, since it is larger than the sum of its proper divisors (23815720820150).

27078221312650 is a wasteful number, since it uses less digits than its factorization.

27078221312650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080463 (or 4080458 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 27078221312650 in words is "twenty-seven trillion, seventy-eight billion, two hundred twenty-one million, three hundred twelve thousand, six hundred fifty".