8120748339 has 16 divisors (see below), whose sum is σ = 13124442240. Its totient is φ = 4921665480.

The previous prime is 8120748319. The next prime is 8120748347. The reversal of 8120748339 is 9338470218.

It is not a de Polignac number, because 8120748339 - 2¹² = 8120744243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8120748294 and 8120748303.

It is not an unprimeable number, because it can be changed into a prime (8120748319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13670997 + ... + 13671590.

It is an arithmetic number, because the mean of its divisors is an integer number (820277640).

Almost surely, 2^8120748339 is an apocalyptic number.

8120748339 is a deficient number, since it is larger than the sum of its proper divisors (5003693901).

8120748339 is a wasteful number, since it uses less digits than its factorization.

8120748339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27342607 (or 27342601 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 8120748339 is about 90115.1948286192. The cubic root of 8120748339 is about 2010.0121563087.

The spelling of 8120748339 in words is "eight billion, one hundred twenty million, seven hundred forty-eight thousand, three hundred thirty-nine".