801966843 has 12 divisors (see below), whose sum is σ = 1160157648. Its totient is φ = 533831760.

The previous prime is 801966827. The next prime is 801966859. The reversal of 801966843 is 348669108.

It is an interprime number because it is at equal distance from previous prime (801966827) and next prime (801966859).

It is not a de Polignac number, because 801966843 - 2⁴ = 801966827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801966863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61455 + ... + 73352.

It is an arithmetic number, because the mean of its divisors is an integer number (96679804).

Almost surely, 2^801966843 is an apocalyptic number.

801966843 is a deficient number, since it is larger than the sum of its proper divisors (358190805).

801966843 is a wasteful number, since it uses less digits than its factorization.

801966843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135474 (or 135471 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 801966843 is about 28319.0191037755. The cubic root of 801966843 is about 929.0779171478.

The spelling of 801966843 in words is "eight hundred one million, nine hundred sixty-six thousand, eight hundred forty-three".