82807778303 has 4 divisors (see below), whose sum is σ = 82948848360. Its totient is φ = 82666708248.

The previous prime is 82807778239. The next prime is 82807778323. The reversal of 82807778303 is 30387770828.

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 82807778303 - 2⁶ = 82807778239 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 (82807778323) 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, 70534148 + ... + 70535321.

It is an arithmetic number, because the mean of its divisors is an integer number (20737212090).

Almost surely, 2^82807778303 is an apocalyptic number.

82807778303 is a deficient number, since it is larger than the sum of its proper divisors (141070057).

82807778303 is a wasteful number, since it uses less digits than its factorization.

82807778303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141070056.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 82807778303 in words is "eighty-two billion, eight hundred seven million, seven hundred seventy-eight thousand, three hundred three".