9320000891 has 4 divisors (see below), whose sum is σ = 9379364112. Its totient is φ = 9260637672.

The previous prime is 9320000887. The next prime is 9320000917. The reversal of 9320000891 is 1980000239.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9320000891 - 2² = 9320000887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9320000191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29681375 + ... + 29681688.

It is an arithmetic number, because the mean of its divisors is an integer number (2344841028).

Almost surely, 2^9320000891 is an apocalyptic number.

9320000891 is a deficient number, since it is larger than the sum of its proper divisors (59363221).

9320000891 is a wasteful number, since it uses less digits than its factorization.

9320000891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59363220.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 9320000891 is about 96540.1517038377. The cubic root of 9320000891 is about 2104.4501917134.

The spelling of 9320000891 in words is "nine billion, three hundred twenty million, eight hundred ninety-one", and thus it is an aban number.