7287783223871 has 8 divisors (see below), whose sum is σ = 7345241118720. Its totient is φ = 7230326482008.

The previous prime is 7287783223867. The next prime is 7287783223873. The reversal of 7287783223871 is 1783223877827.

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 7287783223871 - 2² = 7287783223867 is a prime.

It is a super-2 number, since 2×7287783223871² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7287783223798 and 7287783223807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287783223873) 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, 16029140 + ... + 16477526.

It is an arithmetic number, because the mean of its divisors is an integer number (918155139840).

Almost surely, 2^{7287783223871} is an apocalyptic number.

7287783223871 is a deficient number, since it is larger than the sum of its proper divisors (57457894849).

7287783223871 is a wasteful number, since it uses less digits than its factorization.

7287783223871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576493.

The product of its digits is 88510464, while the sum is 65.

The spelling of 7287783223871 in words is "seven trillion, two hundred eighty-seven billion, seven hundred eighty-three million, two hundred twenty-three thousand, eight hundred seventy-one".