7976897697 has 16 divisors (see below), whose sum is σ = 11102192640. Its totient is φ = 5084929872.

The previous prime is 7976897681. The next prime is 7976897701. The reversal of 7976897697 is 7967986797.

It is not a de Polignac number, because 7976897697 - 2⁴ = 7976897681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7976897627) 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 15 ways as a sum of consecutive naturals, for example, 193678 + ... + 231224.

It is an arithmetic number, because the mean of its divisors is an integer number (693887040).

Almost surely, 2^7976897697 is an apocalyptic number.

It is an amenable number.

7976897697 is a deficient number, since it is larger than the sum of its proper divisors (3125294943).

7976897697 is a wasteful number, since it uses less digits than its factorization.

7976897697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652.

The product of its digits is 504094752, while the sum is 75.

The square root of 7976897697 is about 89313.4799288439. The cubic root of 7976897697 is about 1998.0729519225.

The spelling of 7976897697 in words is "seven billion, nine hundred seventy-six million, eight hundred ninety-seven thousand, six hundred ninety-seven".