766846853 has 2 divisors, whose sum is σ = 766846854. Its totient is φ = 766846852.

The previous prime is 766846831. The next prime is 766846909. The reversal of 766846853 is 358648667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658332964 + 108513889 = 25658^2 + 10417^2 .

It is a cyclic number.

It is not a de Polignac number, because 766846853 - 2¹² = 766842757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766846795 and 766846804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766846253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383423426 + 383423427.

It is an arithmetic number, because the mean of its divisors is an integer number (383423427).

Almost surely, 2^766846853 is an apocalyptic number.

It is an amenable number.

766846853 is a deficient number, since it is larger than the sum of its proper divisors (1).

766846853 is an equidigital number, since it uses as much as digits as its factorization.

766846853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 53.

The square root of 766846853 is about 27691.9998013867. Note that the first 3 decimals coincide. The cubic root of 766846853 is about 915.3128228568.

The spelling of 766846853 in words is "seven hundred sixty-six million, eight hundred forty-six thousand, eight hundred fifty-three".