82519204671 has 12 divisors (see below), whose sum is σ = 126205842672. Its totient is φ = 51776755776.

The previous prime is 82519204643. The next prime is 82519204727. The reversal of 82519204671 is 17640291528.

82519204671 is a `hidden beast` number, since 8 + 2 + 519 + 20 + 46 + 71 = 666.

It is not a de Polignac number, because 82519204671 - 2¹⁰ = 82519203647 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82519284671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269670451 + ... + 269670756.

It is an arithmetic number, because the mean of its divisors is an integer number (10517153556).

Almost surely, 2^82519204671 is an apocalyptic number.

82519204671 is a deficient number, since it is larger than the sum of its proper divisors (43686638001).

82519204671 is a wasteful number, since it uses less digits than its factorization.

82519204671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539341230 (or 539341227 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 82519204671 in words is "eighty-two billion, five hundred nineteen million, two hundred four thousand, six hundred seventy-one".