67227783945 has 16 divisors (see below), whose sum is σ = 122930805120. Its totient is φ = 30732701184.

The previous prime is 67227783899. The next prime is 67227783971. The reversal of 67227783945 is 54938772276.

It is a happy number.

67227783945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67227783945 - 2⁶ = 67227783881 is a prime.

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, 320132200 + ... + 320132409.

It is an arithmetic number, because the mean of its divisors is an integer number (7683175320).

Almost surely, 2^67227783945 is an apocalyptic number.

It is an amenable number.

67227783945 is a deficient number, since it is larger than the sum of its proper divisors (55703021175).

67227783945 is a wasteful number, since it uses less digits than its factorization.

67227783945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640264624.

The product of its digits is 35562240, while the sum is 60.

The spelling of 67227783945 in words is "sixty-seven billion, two hundred twenty-seven million, seven hundred eighty-three thousand, nine hundred forty-five".