7780330533 has 16 divisors (see below), whose sum is σ = 10402635776. Its totient is φ = 5172476400.

The previous prime is 7780330513. The next prime is 7780330549. The reversal of 7780330533 is 3350330877.

It is not a de Polignac number, because 7780330533 - 2¹⁶ = 7780264997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7780330491 and 7780330500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7780330513) 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, 2727558 + ... + 2730408.

It is an arithmetic number, because the mean of its divisors is an integer number (650164736).

Almost surely, 2^7780330533 is an apocalyptic number.

It is an amenable number.

7780330533 is a deficient number, since it is larger than the sum of its proper divisors (2622305243).

7780330533 is a wasteful number, since it uses less digits than its factorization.

7780330533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064.

The product of its (nonzero) digits is 158760, while the sum is 39.

The square root of 7780330533 is about 88206.1819432176. The cubic root of 7780330533 is about 1981.5240564175.

The spelling of 7780330533 in words is "seven billion, seven hundred eighty million, three hundred thirty thousand, five hundred thirty-three".