7980386953 has 32 divisors (see below), whose sum is σ = 10344960000. Its totient is φ = 5973549120.

The previous prime is 7980386933. The next prime is 7980386963. The reversal of 7980386953 is 3596830897.

It is a de Polignac number, because none of the positive numbers 2^k-7980386953 is a prime.

It is a super-2 number, since 2×7980386953² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7980386923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435388 + ... + 453346.

It is an arithmetic number, because the mean of its divisors is an integer number (323280000).

Almost surely, 2^7980386953 is an apocalyptic number.

It is an amenable number.

7980386953 is a deficient number, since it is larger than the sum of its proper divisors (2364573047).

7980386953 is a wasteful number, since it uses less digits than its factorization.

7980386953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The square root of 7980386953 is about 89333.0115522812. The cubic root of 7980386953 is about 1998.3642419292.

The spelling of 7980386953 in words is "seven billion, nine hundred eighty million, three hundred eighty-six thousand, nine hundred fifty-three".