82148883877 has 4 divisors (see below), whose sum is σ = 82149483276. Its totient is φ = 82148284480.

The previous prime is 82148883853. The next prime is 82148883893. The reversal of 82148883877 is 77838884128.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22300643556 + 59848240321 = 149334^2 + 244639^2 .

It is a cyclic number.

It is not a de Polignac number, because 82148883877 - 2⁷ = 82148883749 is a prime.

It is a super-2 number, since 2×82148883877² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82148883827) 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, 18477 + ... + 405757.

It is an arithmetic number, because the mean of its divisors is an integer number (20537370819).

Almost surely, 2^82148883877 is an apocalyptic number.

It is an amenable number.

82148883877 is a deficient number, since it is larger than the sum of its proper divisors (599399).

82148883877 is a wasteful number, since it uses less digits than its factorization.

82148883877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599398.

The product of its digits is 38535168, while the sum is 64.

The spelling of 82148883877 in words is "eighty-two billion, one hundred forty-eight million, eight hundred eighty-three thousand, eight hundred seventy-seven".