802455566843 has 4 divisors (see below), whose sum is σ = 917092076400. Its totient is φ = 687819057288.

The previous prime is 802455566791. The next prime is 802455566933. The reversal of 802455566843 is 348665554208.

It is a happy number.

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 802455566843 - 2⁸ = 802455566587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802455566243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57318254768 + ... + 57318254781.

It is an arithmetic number, because the mean of its divisors is an integer number (229273019100).

Almost surely, 2^802455566843 is an apocalyptic number.

802455566843 is a deficient number, since it is larger than the sum of its proper divisors (114636509557).

802455566843 is a wasteful number, since it uses less digits than its factorization.

802455566843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114636509556.

The product of its (nonzero) digits is 27648000, while the sum is 56.

The spelling of 802455566843 in words is "eight hundred two billion, four hundred fifty-five million, five hundred sixty-six thousand, eight hundred forty-three".