82380009639 has 32 divisors (see below), whose sum is σ = 118899239680. Its totient is φ = 50557934592.

The previous prime is 82380009617. The next prime is 82380009721. The reversal of 82380009639 is 93690008328.

It is not a de Polignac number, because 82380009639 - 2⁷ = 82380009511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82380005639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1634967 + ... + 1684599.

It is an arithmetic number, because the mean of its divisors is an integer number (3715601240).

Almost surely, 2^82380009639 is an apocalyptic number.

82380009639 is a deficient number, since it is larger than the sum of its proper divisors (36519230041).

82380009639 is a wasteful number, since it uses less digits than its factorization.

82380009639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50479.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 82380009639 in words is "eighty-two billion, three hundred eighty million, nine thousand, six hundred thirty-nine".