82808278101 has 12 divisors (see below), whose sum is σ = 124042030112. Its totient is φ = 55205518572.

The previous prime is 82808278097. The next prime is 82808278159. The reversal of 82808278101 is 10187280828.

It is not a de Polignac number, because 82808278101 - 2² = 82808278097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82808278601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170387161 + ... + 170387646.

Almost surely, 2^82808278101 is an apocalyptic number.

82808278101 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

82808278101 is a deficient number, since it is larger than the sum of its proper divisors (41233752011).

82808278101 is an equidigital number, since it uses as much as digits as its factorization.

82808278101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340774822 (or 340774810 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 45.

The spelling of 82808278101 in words is "eighty-two billion, eight hundred eight million, two hundred seventy-eight thousand, one hundred one".