891314673 has 16 divisors (see below), whose sum is σ = 1204047936. Its totient is φ = 586411520.

The previous prime is 891314663. The next prime is 891314689. The reversal of 891314673 is 376413198.

It is a cyclic number.

It is not a de Polignac number, because 891314673 - 2⁶ = 891314609 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (891314663) 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 15 ways as a sum of consecutive naturals, for example, 367561 + ... + 369977.

It is an arithmetic number, because the mean of its divisors is an integer number (75252996).

Almost surely, 2^891314673 is an apocalyptic number.

891314673 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

891314673 is a deficient number, since it is larger than the sum of its proper divisors (312733263).

891314673 is a wasteful number, since it uses less digits than its factorization.

891314673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984.

The product of its digits is 108864, while the sum is 42.

The square root of 891314673 is about 29854.8936189697. The cubic root of 891314673 is about 962.3735656265.

The spelling of 891314673 in words is "eight hundred ninety-one million, three hundred fourteen thousand, six hundred seventy-three".