8000049999 has 8 divisors (see below), whose sum is σ = 11010821632. Its totient is φ = 5161322520.

The previous prime is 8000049991. The next prime is 8000050001. The reversal of 8000049999 is 9999400008.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8000049999 - 2³ = 8000049991 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 (8000049991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43010929 + ... + 43011114.

It is an arithmetic number, because the mean of its divisors is an integer number (1376352704).

Almost surely, 2^8000049999 is an apocalyptic number.

8000049999 is a deficient number, since it is larger than the sum of its proper divisors (3010771633).

8000049999 is a wasteful number, since it uses less digits than its factorization.

8000049999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86022077.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 8000049999 is about 89442.9986024619. The cubic root of 8000049999 is about 2000.0041665747.

The spelling of 8000049999 in words is "eight billion, forty-nine thousand, nine hundred ninety-nine".