770613871 has 2 divisors, whose sum is σ = 770613872. Its totient is φ = 770613870.

The previous prime is 770613869. The next prime is 770613889. The reversal of 770613871 is 178316077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 770613871 - 2¹ = 770613869 is a prime.

Together with 770613869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770613821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385306935 + 385306936.

It is an arithmetic number, because the mean of its divisors is an integer number (385306936).

Almost surely, 2^770613871 is an apocalyptic number.

770613871 is a deficient number, since it is larger than the sum of its proper divisors (1).

770613871 is an equidigital number, since it uses as much as digits as its factorization.

770613871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 770613871 is about 27759.9328349332. The cubic root of 770613871 is about 916.8091534907.

The spelling of 770613871 in words is "seven hundred seventy million, six hundred thirteen thousand, eight hundred seventy-one".