27720307031342 has 16 divisors (see below), whose sum is σ = 41793081278400. Its totient is φ = 13789423263840.

The previous prime is 27720307031311. The next prime is 27720307031377. The reversal of 27720307031342 is 24313070302772.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27720307031342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35444009 + ... + 36217652.

It is an arithmetic number, because the mean of its divisors is an integer number (2612067579900).

Almost surely, 2^{27720307031342} is an apocalyptic number.

27720307031342 is a deficient number, since it is larger than the sum of its proper divisors (14072774247058).

27720307031342 is a wasteful number, since it uses less digits than its factorization.

27720307031342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71662651.

The product of its (nonzero) digits is 296352, while the sum is 41.

The spelling of 27720307031342 in words is "twenty-seven trillion, seven hundred twenty billion, three hundred seven million, thirty-one thousand, three hundred forty-two".