8302780653 has 4 divisors (see below), whose sum is σ = 11070374208. Its totient is φ = 5535187100.

The previous prime is 8302780589. The next prime is 8302780687. The reversal of 8302780653 is 3560872038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8302780653 - 2⁶ = 8302780589 is a prime.

It is a super-2 number, since 2×8302780653² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8302780853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1383796773 + ... + 1383796778.

It is an arithmetic number, because the mean of its divisors is an integer number (2767593552).

Almost surely, 2^8302780653 is an apocalyptic number.

It is an amenable number.

8302780653 is a deficient number, since it is larger than the sum of its proper divisors (2767593555).

8302780653 is a wasteful number, since it uses less digits than its factorization.

8302780653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767593554.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 8302780653 is about 91119.5953294350. The cubic root of 8302780653 is about 2024.9199300149.

The spelling of 8302780653 in words is "eight billion, three hundred two million, seven hundred eighty thousand, six hundred fifty-three".