7044221379887 has 4 divisors (see below), whose sum is σ = 7045419178896. Its totient is φ = 7043023580880.

The previous prime is 7044221379869. The next prime is 7044221379893. The reversal of 7044221379887 is 7889731224407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7044221379887 - 2⁸ = 7044221379631 is a prime.

It is a super-2 number, since 2×7044221379887² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7044221349887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598890683 + ... + 598902444.

It is an arithmetic number, because the mean of its divisors is an integer number (1761354794724).

Almost surely, 2^{7044221379887} is an apocalyptic number.

7044221379887 is a deficient number, since it is larger than the sum of its proper divisors (1197799009).

7044221379887 is a wasteful number, since it uses less digits than its factorization.

7044221379887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197799008.

The product of its (nonzero) digits is 37933056, while the sum is 62.

The spelling of 7044221379887 in words is "seven trillion, forty-four billion, two hundred twenty-one million, three hundred seventy-nine thousand, eight hundred eighty-seven".