802543587863 has 4 divisors (see below), whose sum is σ = 802548472320. Its totient is φ = 802538703408.

The previous prime is 802543587829. The next prime is 802543587869. The reversal of 802543587863 is 368785345208.

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 802543587863 - 2¹⁰ = 802543586839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802543587869) 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, 2186870 + ... + 2527347.

It is an arithmetic number, because the mean of its divisors is an integer number (200637118080).

Almost surely, 2^802543587863 is an apocalyptic number.

802543587863 is a deficient number, since it is larger than the sum of its proper divisors (4884457).

802543587863 is a wasteful number, since it uses less digits than its factorization.

802543587863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884456.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 802543587863 in words is "eight hundred two billion, five hundred forty-three million, five hundred eighty-seven thousand, eight hundred sixty-three".