7768397 has 16 divisors (see below), whose sum is σ = 10066560. Its totient is φ = 5821632.

The previous prime is 7768381. The next prime is 7768403. The reversal of 7768397 is 7938677.

7768397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7768397 - 2⁴ = 7768381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7768357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (629160).

Almost surely, 2^7768397 is an apocalyptic number.

It is an amenable number.

7768397 is a deficient number, since it is larger than the sum of its proper divisors (2298163).

7768397 is a wasteful number, since it uses less digits than its factorization.

7768397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532.

The product of its digits is 444528, while the sum is 47.

The square root of 7768397 is about 2787.1844215983. The cubic root of 7768397 is about 198.0510445547.

The spelling of 7768397 in words is "seven million, seven hundred sixty-eight thousand, three hundred ninety-seven".