8265780339 has 8 divisors (see below), whose sum is σ = 11024242320. Its totient is φ = 5508919296.

The previous prime is 8265780293. The next prime is 8265780371. The reversal of 8265780339 is 9330875628.

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

It is not a de Polignac number, because 8265780339 - 2²⁰ = 8264731763 is a prime.

It is a super-2 number, since 2×8265780339² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8265780291 and 8265780300.

It is not an unprimeable number, because it can be changed into a prime (8265780379) 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, 388134 + ... + 408875.

It is an arithmetic number, because the mean of its divisors is an integer number (1378030290).

Almost surely, 2^8265780339 is an apocalyptic number.

8265780339 is a deficient number, since it is larger than the sum of its proper divisors (2758461981).

8265780339 is a wasteful number, since it uses less digits than its factorization.

8265780339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800469.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 8265780339 is about 90916.3370302610. The cubic root of 8265780339 is about 2021.9075157700.

The spelling of 8265780339 in words is "eight billion, two hundred sixty-five million, seven hundred eighty thousand, three hundred thirty-nine".