82678801386 has 16 divisors (see below), whose sum is σ = 165364297344. Its totient is φ = 27558484704.

The previous prime is 82678801349. The next prime is 82678801393. The reversal of 82678801386 is 68310887628.

It is a happy number.

It is a super-3 number, since 3×82678801386³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110571 + ... + 421406.

It is an arithmetic number, because the mean of its divisors is an integer number (10335268584).

Almost surely, 2^82678801386 is an apocalyptic number.

82678801386 is an abundant number, since it is smaller than the sum of its proper divisors (82685495958).

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

82678801386 is a wasteful number, since it uses less digits than its factorization.

82678801386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557885.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 82678801386 in words is "eighty-two billion, six hundred seventy-eight million, eight hundred one thousand, three hundred eighty-six".