7931695997 has 4 divisors (see below), whose sum is σ = 7947850656. Its totient is φ = 7915541340.

The previous prime is 7931695969. The next prime is 7931695999. The reversal of 7931695997 is 7995961397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7931695997 - 2¹⁰ = 7931694973 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 (7931695999) 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 3 ways as a sum of consecutive naturals, for example, 8076593 + ... + 8077574.

It is an arithmetic number, because the mean of its divisors is an integer number (1986962664).

Almost surely, 2^7931695997 is an apocalyptic number.

It is an amenable number.

7931695997 is a deficient number, since it is larger than the sum of its proper divisors (16154659).

7931695997 is a wasteful number, since it uses less digits than its factorization.

7931695997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154658.

The product of its digits is 28934010, while the sum is 65.

The square root of 7931695997 is about 89060.0695991194. The cubic root of 7931695997 is about 1994.2917230371.

The spelling of 7931695997 in words is "seven billion, nine hundred thirty-one million, six hundred ninety-five thousand, nine hundred ninety-seven".