770625989831 has 2 divisors, whose sum is σ = 770625989832. Its totient is φ = 770625989830.

The previous prime is 770625989759. The next prime is 770625989849. The reversal of 770625989831 is 138989526077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 770625989831 - 2¹⁰ = 770625988807 is a prime.

It is a super-2 number, since 2×770625989831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770625989531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385312994915 + 385312994916.

It is an arithmetic number, because the mean of its divisors is an integer number (385312994916).

Almost surely, 2^770625989831 is an apocalyptic number.

770625989831 is a deficient number, since it is larger than the sum of its proper divisors (1).

770625989831 is an equidigital number, since it uses as much as digits as its factorization.

770625989831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 770625989831 in words is "seven hundred seventy billion, six hundred twenty-five million, nine hundred eighty-nine thousand, eight hundred thirty-one".