7645378833268 has 12 divisors (see below), whose sum is σ = 14595723227232. Its totient is φ = 3475172196920.

The previous prime is 7645378833263. The next prime is 7645378833289. The reversal of 7645378833268 is 8623388735467.

It is a junction number, because it is equal to n+sod(n) for n = 7645378833197 and 7645378833206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645378833263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86879304880 + ... + 86879304967.

It is an arithmetic number, because the mean of its divisors is an integer number (1216310268936).

Almost surely, 2^{7645378833268} is an apocalyptic number.

It is an amenable number.

7645378833268 is a deficient number, since it is larger than the sum of its proper divisors (6950344393964).

7645378833268 is a wasteful number, since it uses less digits than its factorization.

7645378833268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173758609862 (or 173758609860 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 70.

The spelling of 7645378833268 in words is "seven trillion, six hundred forty-five billion, three hundred seventy-eight million, eight hundred thirty-three thousand, two hundred sixty-eight".