82787803 has 12 divisors (see below), whose sum is σ = 96480480. Its totient is φ = 70831152.

The previous prime is 82787801. The next prime is 82787839. The reversal of 82787803 is 30878728.

It is not a de Polignac number, because 82787803 - 2¹ = 82787801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82787803.

It is not an unprimeable number, because it can be changed into a prime (82787801) 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, 33550 + ... + 35932.

It is an arithmetic number, because the mean of its divisors is an integer number (8040040).

Almost surely, 2^82787803 is an apocalyptic number.

82787803 is a deficient number, since it is larger than the sum of its proper divisors (13692677).

82787803 is a wasteful number, since it uses less digits than its factorization.

82787803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 82787803 is about 9098.7803028758. The cubic root of 82787803 is about 435.8350156429.

The spelling of 82787803 in words is "eighty-two million, seven hundred eighty-seven thousand, eight hundred three".