7975995797 has 32 divisors (see below), whose sum is σ = 10330742784. Its totient is φ = 5975985600.

The previous prime is 7975995793. The next prime is 7975995823.

7975995797 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7975995797 - 2² = 7975995793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975995793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364118 + ... + 385400.

It is an arithmetic number, because the mean of its divisors is an integer number (322835712).

Almost surely, 2^7975995797 is an apocalyptic number.

7975995797 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

7975995797 is a deficient number, since it is larger than the sum of its proper divisors (2354746987).

7975995797 is a wasteful number, since it uses less digits than its factorization.

7975995797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489.

The product of its digits is 393824025, while the sum is 74.

The square root of 7975995797 is about 89308.4307162543. The cubic root of 7975995797 is about 1997.9976457077.

The spelling of 7975995797 in words is "seven billion, nine hundred seventy-five million, nine hundred ninety-five thousand, seven hundred ninety-seven".