1227440335679 has 8 divisors (see below), whose sum is σ = 1301670243648. Its totient is φ = 1153435709440.

The previous prime is 1227440335673. The next prime is 1227440335703. The reversal of 1227440335679 is 9765330447221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1227440335679 - 2¹⁶ = 1227440270143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1227440335679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227440335673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56309207 + ... + 56331000.

It is an arithmetic number, because the mean of its divisors is an integer number (162708780456).

Almost surely, 2^{1227440335679} is an apocalyptic number.

1227440335679 is a deficient number, since it is larger than the sum of its proper divisors (74229907969).

1227440335679 is a wasteful number, since it uses less digits than its factorization.

1227440335679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112640865.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 1227440335679 in words is "one trillion, two hundred twenty-seven billion, four hundred forty million, three hundred thirty-five thousand, six hundred seventy-nine".