82367684478 has 96 divisors (see below), whose sum is σ = 189488613600. Its totient is φ = 25813444608.

The previous prime is 82367684429. The next prime is 82367684533. The reversal of 82367684478 is 87448676328.

82367684478 is a `hidden beast` number, since 8 + 23 + 67 + 6 + 84 + 478 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7558858 + ... + 7569746.

It is an arithmetic number, because the mean of its divisors is an integer number (1973839725).

Almost surely, 2^82367684478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82367684478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94744306800).

82367684478 is an abundant number, since it is smaller than the sum of its proper divisors (107120929122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82367684478 is a wasteful number, since it uses less digits than its factorization.

82367684478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306 (or 11303 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 63.

The spelling of 82367684478 in words is "eighty-two billion, three hundred sixty-seven million, six hundred eighty-four thousand, four hundred seventy-eight".