7664979297 has 16 divisors (see below), whose sum is σ = 10760279360. Its totient is φ = 4839953472.

The previous prime is 7664979293. The next prime is 7664979317. The reversal of 7664979297 is 7929794667.

It is not a de Polignac number, because 7664979297 - 2² = 7664979293 is a prime.

It is a super-2 number, since 2×7664979297² (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 (7664979293) 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 15 ways as a sum of consecutive naturals, for example, 297543 + ... + 322275.

It is an arithmetic number, because the mean of its divisors is an integer number (672517460).

Almost surely, 2^7664979297 is an apocalyptic number.

It is an amenable number.

7664979297 is a deficient number, since it is larger than the sum of its proper divisors (3095300063).

7664979297 is a wasteful number, since it uses less digits than its factorization.

7664979297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30192.

The product of its digits is 72013536, while the sum is 66.

The square root of 7664979297 is about 87549.8674870499. The cubic root of 7664979297 is about 1971.6825616863.

The spelling of 7664979297 in words is "seven billion, six hundred sixty-four million, nine hundred seventy-nine thousand, two hundred ninety-seven".