8126899775 has 6 divisors (see below), whose sum is σ = 10077355752. Its totient is φ = 6501519800.

The previous prime is 8126899769. The next prime is 8126899789. The reversal of 8126899775 is 5779986218.

It is a de Polignac number, because none of the positive numbers 2^k-8126899775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 162537971 + ... + 162538020.

It is an arithmetic number, because the mean of its divisors is an integer number (1679559292).

Almost surely, 2^8126899775 is an apocalyptic number.

8126899775 is a deficient number, since it is larger than the sum of its proper divisors (1950455977).

8126899775 is a wasteful number, since it uses less digits than its factorization.

8126899775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325076001 (or 325075996 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 62.

The square root of 8126899775 is about 90149.3193263266. The cubic root of 8126899775 is about 2010.5195537359.

The spelling of 8126899775 in words is "eight billion, one hundred twenty-six million, eight hundred ninety-nine thousand, seven hundred seventy-five".