27072212628813 has 24 divisors (see below), whose sum is σ = 39678225177024. Its totient is φ = 16406514579840.

The previous prime is 27072212628809. The next prime is 27072212628859. The reversal of 27072212628813 is 31882621227072.

It is a happy number.

It is not a de Polignac number, because 27072212628813 - 2² = 27072212628809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072212620813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4738981 + ... + 8752277.

It is an arithmetic number, because the mean of its divisors is an integer number (1653259382376).

Almost surely, 2^{27072212628813} is an apocalyptic number.

It is an amenable number.

27072212628813 is a deficient number, since it is larger than the sum of its proper divisors (12606012548211).

27072212628813 is a wasteful number, since it uses less digits than its factorization.

27072212628813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031905 (or 4031894 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 27072212628813 in words is "twenty-seven trillion, seventy-two billion, two hundred twelve million, six hundred twenty-eight thousand, eight hundred thirteen".