8106776019 has 24 divisors (see below), whose sum is σ = 12018174480. Its totient is φ = 5263999488.

The previous prime is 8106776003. The next prime is 8106776047. The reversal of 8106776019 is 9106776018.

It is not a de Polignac number, because 8106776019 - 2⁴ = 8106776003 is a prime.

It is a super-2 number, since 2×8106776019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8106776089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21862 + ... + 129195.

It is an arithmetic number, because the mean of its divisors is an integer number (500757270).

Almost surely, 2^8106776019 is an apocalyptic number.

8106776019 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

8106776019 is a deficient number, since it is larger than the sum of its proper divisors (3911398461).

8106776019 is a wasteful number, since it uses less digits than its factorization.

8106776019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151219 (or 151216 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 8106776019 is about 90037.6366804460. The cubic root of 8106776019 is about 2008.8587053199.

Subtracting 8106776019 from its reverse (9106776018), we obtain a palindrome (999999999).

The spelling of 8106776019 in words is "eight billion, one hundred six million, seven hundred seventy-six thousand, nineteen".