14447787782061 has 32 divisors (see below), whose sum is σ = 20429528140800. Its totient is φ = 9050777809920.

The previous prime is 14447787782033. The next prime is 14447787782081. The reversal of 14447787782061 is 16028778774441.

It is not a de Polignac number, because 14447787782061 - 2¹⁵ = 14447787749293 is a prime.

It is a super-2 number, since 2×14447787782061² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14447787781983 and 14447787782001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14447787782011) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 86290935 + ... + 86458203.

It is an arithmetic number, because the mean of its divisors is an integer number (638422754400).

Almost surely, 2^{14447787782061} is an apocalyptic number.

It is an amenable number.

14447787782061 is a deficient number, since it is larger than the sum of its proper divisors (5981740358739).

14447787782061 is a wasteful number, since it uses less digits than its factorization.

14447787782061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169989.

The product of its (nonzero) digits is 118013952, while the sum is 66.

The spelling of 14447787782061 in words is "fourteen trillion, four hundred forty-seven billion, seven hundred eighty-seven million, seven hundred eighty-two thousand, sixty-one".