766404215754253 has 8 divisors (see below), whose sum is σ = 768354065032320. Its totient is φ = 764454463763760.

The previous prime is 766404215754241. The next prime is 766404215754259. The reversal of 766404215754253 is 352457512404667.

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 766404215754253 - 2³³ = 766395625819661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 766404215754191 and 766404215754200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766404215754259) 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, 8533393 + ... + 40070278.

It is an arithmetic number, because the mean of its divisors is an integer number (96044258129040).

Almost surely, 2^{766404215754253} is an apocalyptic number.

It is an amenable number.

766404215754253 is a deficient number, since it is larger than the sum of its proper divisors (1949849278067).

766404215754253 is a wasteful number, since it uses less digits than its factorization.

766404215754253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48643787.

The product of its (nonzero) digits is 169344000, while the sum is 61.

The spelling of 766404215754253 in words is "seven hundred sixty-six trillion, four hundred four billion, two hundred fifteen million, seven hundred fifty-four thousand, two hundred fifty-three".