82378791862 has 16 divisors (see below), whose sum is σ = 130872859920. Its totient is φ = 38755836928.

The previous prime is 82378791827. The next prime is 82378791919. The reversal of 82378791862 is 26819787328.

It is a self number, because there is not a number n which added to its sum of digits gives 82378791862.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 206683 + ... + 455494.

It is an arithmetic number, because the mean of its divisors is an integer number (8179553745).

Almost surely, 2^82378791862 is an apocalyptic number.

82378791862 is a deficient number, since it is larger than the sum of its proper divisors (48494068058).

82378791862 is a wasteful number, since it uses less digits than its factorization.

82378791862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665855.

The product of its digits is 16257024, while the sum is 61.

The spelling of 82378791862 in words is "eighty-two billion, three hundred seventy-eight million, seven hundred ninety-one thousand, eight hundred sixty-two".