766725235831 has 2 divisors, whose sum is σ = 766725235832. Its totient is φ = 766725235830.

The previous prime is 766725235823. The next prime is 766725235841. The reversal of 766725235831 is 138532527667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766725235831 - 2³ = 766725235823 is a prime.

It is a super-3 number, since 3×766725235831³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766725235841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383362617915 + 383362617916.

It is an arithmetic number, because the mean of its divisors is an integer number (383362617916).

Almost surely, 2^766725235831 is an apocalyptic number.

766725235831 is a deficient number, since it is larger than the sum of its proper divisors (1).

766725235831 is an equidigital number, since it uses as much as digits as its factorization.

766725235831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 55.

The spelling of 766725235831 in words is "seven hundred sixty-six billion, seven hundred twenty-five million, two hundred thirty-five thousand, eight hundred thirty-one".