7766700468857 has 4 divisors (see below), whose sum is σ = 8472764147856. Its totient is φ = 7060636789860.

The previous prime is 7766700468841. The next prime is 7766700468859. The reversal of 7766700468857 is 7588640076677.

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 7766700468857 - 2⁴ = 7766700468841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7766700468859) 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, 353031839483 + ... + 353031839504.

It is an arithmetic number, because the mean of its divisors is an integer number (2118191036964).

Almost surely, 2^{7766700468857} is an apocalyptic number.

It is an amenable number.

7766700468857 is a deficient number, since it is larger than the sum of its proper divisors (706063678999).

7766700468857 is a wasteful number, since it uses less digits than its factorization.

7766700468857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706063678998.

The product of its (nonzero) digits is 663828480, while the sum is 71.

The spelling of 7766700468857 in words is "seven trillion, seven hundred sixty-six billion, seven hundred million, four hundred sixty-eight thousand, eight hundred fifty-seven".