82378659013 has 32 divisors (see below), whose sum is σ = 98609260032. Its totient is φ = 67365043200.

The previous prime is 82378658951. The next prime is 82378659073. The reversal of 82378659013 is 31095687328.

It is a de Polignac number, because none of the positive numbers 2^k-82378659013 is a prime.

It is a super-2 number, since 2×82378659013² (a number of 23 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82378659073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1901473 + ... + 1944313.

It is an arithmetic number, because the mean of its divisors is an integer number (3081539376).

Almost surely, 2^82378659013 is an apocalyptic number.

It is an amenable number.

82378659013 is a deficient number, since it is larger than the sum of its proper divisors (16230601019).

82378659013 is a wasteful number, since it uses less digits than its factorization.

82378659013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43045.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 82378659013 in words is "eighty-two billion, three hundred seventy-eight million, six hundred fifty-nine thousand, thirteen".