7980853993 has 16 divisors (see below), whose sum is σ = 9910743040. Its totient is φ = 6271635600.

The previous prime is 7980853987. The next prime is 7980853999. The reversal of 7980853993 is 3993580897.

It is an interprime number because it is at equal distance from previous prime (7980853987) and next prime (7980853999).

It is a cyclic number.

It is not a de Polignac number, because 7980853993 - 2⁹ = 7980853481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7980853999) 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 15 ways as a sum of consecutive naturals, for example, 963723 + ... + 971968.

It is an arithmetic number, because the mean of its divisors is an integer number (619421440).

Almost surely, 2^7980853993 is an apocalyptic number.

It is an amenable number.

7980853993 is a deficient number, since it is larger than the sum of its proper divisors (1929889047).

7980853993 is a wasteful number, since it uses less digits than its factorization.

7980853993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935748.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The square root of 7980853993 is about 89335.6255533032. The cubic root of 7980853993 is about 1998.4032249106.

The spelling of 7980853993 in words is "seven billion, nine hundred eighty million, eight hundred fifty-three thousand, nine hundred ninety-three".