82505280002783 has 4 divisors (see below), whose sum is σ = 90005760003048. Its totient is φ = 75004800002520.

The previous prime is 82505280002753. The next prime is 82505280002851. The reversal of 82505280002783 is 38720008250528.

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 82505280002783 - 2⁸ = 82505280002527 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 (82505280002753) 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, 3750240000116 + ... + 3750240000137.

It is an arithmetic number, because the mean of its divisors is an integer number (22501440000762).

Almost surely, 2^{82505280002783} is an apocalyptic number.

82505280002783 is a deficient number, since it is larger than the sum of its proper divisors (7500480000265).

82505280002783 is a wasteful number, since it uses less digits than its factorization.

82505280002783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500480000264.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 82505280002783 in words is "eighty-two trillion, five hundred five billion, two hundred eighty million, two thousand, seven hundred eighty-three".