7959311481 has 32 divisors (see below), whose sum is σ = 12543303168. Its totient is φ = 4434474240.

The previous prime is 7959311467. The next prime is 7959311497. The reversal of 7959311481 is 1841139597.

It is not a de Polignac number, because 7959311481 - 2¹⁷ = 7959180409 is a prime.

It is a super-2 number, since 2×7959311481² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7959311481.

It is not an unprimeable number, because it can be changed into a prime (7959311441) 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 31 ways as a sum of consecutive naturals, for example, 140851 + ... + 189096.

It is an arithmetic number, because the mean of its divisors is an integer number (391978224).

Almost surely, 2^7959311481 is an apocalyptic number.

It is an amenable number.

7959311481 is a deficient number, since it is larger than the sum of its proper divisors (4583991687).

7959311481 is a wasteful number, since it uses less digits than its factorization.

7959311481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330021.

The product of its digits is 272160, while the sum is 48.

The square root of 7959311481 is about 89214.9734125388. The cubic root of 7959311481 is about 1996.6035253284.

The spelling of 7959311481 in words is "seven billion, nine hundred fifty-nine million, three hundred eleven thousand, four hundred eighty-one".