82039280783178 has 8 divisors (see below), whose sum is σ = 164078561566368. Its totient is φ = 27346426927724.

The previous prime is 82039280783177. The next prime is 82039280783197. The reversal of 82039280783178 is 87138708293028.

It is a sphenic number, since it is the product of 3 distinct primes.

82039280783178 is an admirable number.

It is a super-2 number, since 2×82039280783178² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82039280783177) 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, 6836606731926 + ... + 6836606731937.

It is an arithmetic number, because the mean of its divisors is an integer number (20509820195796).

Almost surely, 2^{82039280783178} is an apocalyptic number.

82039280783178 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82039280783178 is a wasteful number, since it uses less digits than its factorization.

82039280783178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673213463868.

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 82039280783178 in words is "eighty-two trillion, thirty-nine billion, two hundred eighty million, seven hundred eighty-three thousand, one hundred seventy-eight".