82817740384 has 24 divisors (see below), whose sum is σ = 164331272448. Its totient is φ = 41082814080.

The previous prime is 82817740381. The next prime is 82817740391. The reversal of 82817740384 is 48304771828.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82817740381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10185127 + ... + 10193254.

It is an arithmetic number, because the mean of its divisors is an integer number (6847136352).

Almost surely, 2^82817740384 is an apocalyptic number.

It is an amenable number.

82817740384 is a deficient number, since it is larger than the sum of its proper divisors (81513532064).

82817740384 is a wasteful number, since it uses less digits than its factorization.

82817740384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20378518 (or 20378510 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 82817740384 in words is "eighty-two billion, eight hundred seventeen million, seven hundred forty thousand, three hundred eighty-four".