65576873783 has 4 divisors (see below), whose sum is σ = 66688346280. Its totient is φ = 64465401288.

The previous prime is 65576873779. The next prime is 65576873801. The reversal of 65576873783 is 38737867556.

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 65576873783 - 2² = 65576873779 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 (65576873723) 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, 555736160 + ... + 555736277.

It is an arithmetic number, because the mean of its divisors is an integer number (16672086570).

Almost surely, 2^65576873783 is an apocalyptic number.

65576873783 is a deficient number, since it is larger than the sum of its proper divisors (1111472497).

65576873783 is a wasteful number, since it uses less digits than its factorization.

65576873783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111472496.

The product of its digits is 177811200, while the sum is 65.

The spelling of 65576873783 in words is "sixty-five billion, five hundred seventy-six million, eight hundred seventy-three thousand, seven hundred eighty-three".