766330007253 has 4 divisors (see below), whose sum is σ = 1021773343008. Its totient is φ = 510886671500.

The previous prime is 766330007249. The next prime is 766330007279. The reversal of 766330007253 is 352700033667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 766330007253 - 2² = 766330007249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766330007213) 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, 127721667873 + ... + 127721667878.

It is an arithmetic number, because the mean of its divisors is an integer number (255443335752).

Almost surely, 2^766330007253 is an apocalyptic number.

It is an amenable number.

766330007253 is a deficient number, since it is larger than the sum of its proper divisors (255443335755).

766330007253 is a wasteful number, since it uses less digits than its factorization.

766330007253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255443335754.

The product of its (nonzero) digits is 476280, while the sum is 42.

The spelling of 766330007253 in words is "seven hundred sixty-six billion, three hundred thirty million, seven thousand, two hundred fifty-three".