8223965711 has 12 divisors (see below), whose sum is σ = 8923467960. Its totient is φ = 7575815520.

The previous prime is 8223965707. The next prime is 8223965759. The reversal of 8223965711 is 1175693228.

It is not a de Polignac number, because 8223965711 - 2² = 8223965707 is a prime.

It is a super-2 number, since 2×8223965711² (a number of 21 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 (8223965011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33425 + ... + 132533.

It is an arithmetic number, because the mean of its divisors is an integer number (743622330).

Almost surely, 2^8223965711 is an apocalyptic number.

8223965711 is a deficient number, since it is larger than the sum of its proper divisors (699502249).

8223965711 is a wasteful number, since it uses less digits than its factorization.

8223965711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99626 (or 99613 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 8223965711 is about 90686.0833369707. The cubic root of 8223965711 is about 2018.4922996991.

The spelling of 8223965711 in words is "eight billion, two hundred twenty-three million, nine hundred sixty-five thousand, seven hundred eleven".