7980945238 has 32 divisors (see below), whose sum is σ = 13869273600. Its totient is φ = 3373681344.

The previous prime is 7980945233. The next prime is 7980945263. The reversal of 7980945238 is 8325490897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980945233) 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, 514431 + ... + 529717.

It is an arithmetic number, because the mean of its divisors is an integer number (433414800).

Almost surely, 2^7980945238 is an apocalyptic number.

7980945238 is a deficient number, since it is larger than the sum of its proper divisors (5888328362).

7980945238 is a wasteful number, since it uses less digits than its factorization.

7980945238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 7980945238 is about 89336.1362383666. The cubic root of 7980945238 is about 1998.4108407876.

The spelling of 7980945238 in words is "seven billion, nine hundred eighty million, nine hundred forty-five thousand, two hundred thirty-eight".