9995667711 has 8 divisors (see below), whose sum is σ = 13375671984. Its totient is φ = 6639720960.

The previous prime is 9995667691. The next prime is 9995667719. The reversal of 9995667711 is 1177665999.

It is a happy number.

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

It is not a de Polignac number, because 9995667711 - 2⁵ = 9995667679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995667719) 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, 6013410 + ... + 6015071.

It is an arithmetic number, because the mean of its divisors is an integer number (1671958998).

Almost surely, 2^9995667711 is an apocalyptic number.

9995667711 is a deficient number, since it is larger than the sum of its proper divisors (3380004273).

9995667711 is a wasteful number, since it uses less digits than its factorization.

9995667711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12028761.

The product of its digits is 6429780, while the sum is 60.

The square root of 9995667711 is about 99978.3362084007. The cubic root of 9995667711 is about 2154.1235239686.

The spelling of 9995667711 in words is "nine billion, nine hundred ninety-five million, six hundred sixty-seven thousand, seven hundred eleven".