7982780894829 has 24 divisors (see below), whose sum is σ = 12436971354080. Its totient is φ = 4904840565792.

The previous prime is 7982780894789. The next prime is 7982780894849. The reversal of 7982780894829 is 9284980872897.

It is not a de Polignac number, because 7982780894829 - 2¹¹ = 7982780892781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7982780894849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52979899 + ... + 53130360.

Almost surely, 2^{7982780894829} is an apocalyptic number.

It is an amenable number.

7982780894829 is a deficient number, since it is larger than the sum of its proper divisors (4454190459251).

7982780894829 is a wasteful number, since it uses less digits than its factorization.

7982780894829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106110921 (or 106110918 counting only the distinct ones).

The product of its (nonzero) digits is 2341011456, while the sum is 81.

The spelling of 7982780894829 in words is "seven trillion, nine hundred eighty-two billion, seven hundred eighty million, eight hundred ninety-four thousand, eight hundred twenty-nine".