7980511312 has 10 divisors (see below), whose sum is σ = 15462240698. Its totient is φ = 3990255648.

The previous prime is 7980511289. The next prime is 7980511313. The reversal of 7980511312 is 2131150897.

It can be written as a sum of positive squares in only one way, i.e., 6247953936 + 1732557376 = 79044^2 + 41624^2 .

It is a super-2 number, since 2×7980511312² (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 (7980511313) 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 as a sum of consecutive naturals, namely, 249390963 + ... + 249390994.

Almost surely, 2^7980511312 is an apocalyptic number.

It is an amenable number.

7980511312 is a deficient number, since it is larger than the sum of its proper divisors (7481729386).

7980511312 is a wasteful number, since it uses less digits than its factorization.

7980511312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498781965 (or 498781959 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 7980511312 is about 89333.7075912558. The cubic root of 7980511312 is about 1998.3746220978.

The spelling of 7980511312 in words is "seven billion, nine hundred eighty million, five hundred eleven thousand, three hundred twelve".