7976097481 has 27 divisors (see below), whose sum is σ = 9190903687. Its totient is φ = 6916088960.

The previous prime is 7976097443. The next prime is 7976097491. The reversal of 7976097481 is 1847906797.

The square root of 7976097481 is 89309.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3240455625 + 4735641856 = 56925^2 + 68816^2 .

It is not a de Polignac number, because 7976097481 - 2¹⁵ = 7976064713 is a prime.

It is a super-2 number, since 2×7976097481² (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 (7976097421) 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 26 ways as a sum of consecutive naturals, for example, 22595001 + ... + 22595353.

Almost surely, 2^7976097481 is an apocalyptic number.

7976097481 is the 89309-th square number.

7976097481 is the 44655-th centered octagonal number.

It is an amenable number.

7976097481 is a deficient number, since it is larger than the sum of its proper divisors (1214806206).

7976097481 is an equidigital number, since it uses as much as digits as its factorization.

7976097481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 58.

The cubic root of 7976097481 is about 1998.0061363311.

It can be divided in two parts, 79760 and 97481, that added together give a square (177241 = 421²).

The spelling of 7976097481 in words is "seven billion, nine hundred seventy-six million, ninety-seven thousand, four hundred eighty-one".