7937667397 has 16 divisors (see below), whose sum is σ = 9012524544. Its totient is φ = 6983248800.

The previous prime is 7937667391. The next prime is 7937667407.

7937667397 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-7937667397 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 (7937667391) 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, 54928 + ... + 137449.

It is an arithmetic number, because the mean of its divisors is an integer number (563282784).

Almost surely, 2^7937667397 is an apocalyptic number.

It is an amenable number.

7937667397 is a deficient number, since it is larger than the sum of its proper divisors (1074857147).

7937667397 is a wasteful number, since it uses less digits than its factorization.

7937667397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192441 (or 192419 counting only the distinct ones).

The product of its digits is 63011844, while the sum is 64.

The square root of 7937667397 is about 89093.5878556925. The cubic root of 7937667397 is about 1994.7920669041.

The spelling of 7937667397 in words is "seven billion, nine hundred thirty-seven million, six hundred sixty-seven thousand, three hundred ninety-seven".