82476774468 has 144 divisors (see below), whose sum is σ = 241803709056. Its totient is φ = 23455111680.

The previous prime is 82476774461. The next prime is 82476774487. The reversal of 82476774468 is 86447767428.

82476774468 is a `hidden beast` number, since 8 + 2 + 47 + 67 + 74 + 468 = 666.

It is not an unprimeable number, because it can be changed into a prime (82476774461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397296 + ... + 568152.

It is an arithmetic number, because the mean of its divisors is an integer number (1679192424).

Almost surely, 2^82476774468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82476774468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120901854528).

82476774468 is an abundant number, since it is smaller than the sum of its proper divisors (159326934588).

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

82476774468 is a wasteful number, since it uses less digits than its factorization.

82476774468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170954 (or 170949 counting only the distinct ones).

The product of its digits is 101154816, while the sum is 63.

The spelling of 82476774468 in words is "eighty-two billion, four hundred seventy-six million, seven hundred seventy-four thousand, four hundred sixty-eight".