7768385 has 8 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 6139504.

The previous prime is 7768381. The next prime is 7768403. The reversal of 7768385 is 5838677.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7768385 - 2² = 7768381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7768381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8945 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^7768385 is an apocalyptic number.

It is an amenable number.

7768385 is a deficient number, since it is larger than the sum of its proper divisors (1666495).

7768385 is a wasteful number, since it uses less digits than its factorization.

7768385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18807.

The product of its digits is 282240, while the sum is 44.

The square root of 7768385 is about 2787.1822688873. The cubic root of 7768385 is about 198.0509425769.

The spelling of 7768385 in words is "seven million, seven hundred sixty-eight thousand, three hundred eighty-five".