7934664397 has 32 divisors (see below), whose sum is σ = 9107531136. Its totient is φ = 6849024000.

The previous prime is 7934664389. The next prime is 7934664401.

7934664397 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7934664397 - 2³ = 7934664389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7934664317) 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, 2831397 + ... + 2834197.

It is an arithmetic number, because the mean of its divisors is an integer number (284610348).

Almost surely, 2^7934664397 is an apocalyptic number.

It is an amenable number.

7934664397 is a deficient number, since it is larger than the sum of its proper divisors (1172866739).

7934664397 is a wasteful number, since it uses less digits than its factorization.

7934664397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021.

The product of its digits is 20575296, while the sum is 58.

The square root of 7934664397 is about 89076.7331967220. The cubic root of 7934664397 is about 1994.5404767805.

The spelling of 7934664397 in words is "seven billion, nine hundred thirty-four million, six hundred sixty-four thousand, three hundred ninety-seven".