991467011 has 8 divisors (see below), whose sum is σ = 999167664. Its totient is φ = 983796480.

The previous prime is 991466981. The next prime is 991467023. The reversal of 991467011 is 110764199.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-991467011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (991467091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60935 + ... + 75471.

It is an arithmetic number, because the mean of its divisors is an integer number (124895958).

Almost surely, 2^991467011 is an apocalyptic number.

991467011 is a deficient number, since it is larger than the sum of its proper divisors (7700653).

991467011 is a wasteful number, since it uses less digits than its factorization.

991467011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 991467011 is about 31487.5691503806. The cubic root of 991467011 is about 997.1475415505.

The spelling of 991467011 in words is "nine hundred ninety-one million, four hundred sixty-seven thousand, eleven".