766243023840355 has 8 divisors (see below), whose sum is σ = 932087404343232. Its totient is φ = 604597235249088.

The previous prime is 766243023840289. The next prime is 766243023840377. The reversal of 766243023840355 is 553048320342667.

It is a happy number.

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 766243023840355 - 2¹³ = 766243023832163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 766243023840355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049647977499 + ... + 1049647978228.

It is an arithmetic number, because the mean of its divisors is an integer number (116510925542904).

Almost surely, 2^{766243023840355} is an apocalyptic number.

766243023840355 is a deficient number, since it is larger than the sum of its proper divisors (165844380502877).

766243023840355 is a wasteful number, since it uses less digits than its factorization.

766243023840355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099295955805.

The product of its (nonzero) digits is 87091200, while the sum is 58.

The spelling of 766243023840355 in words is "seven hundred sixty-six trillion, two hundred forty-three billion, twenty-three million, eight hundred forty thousand, three hundred fifty-five".