770663983 has 2 divisors, whose sum is σ = 770663984. Its totient is φ = 770663982.

The previous prime is 770663981. The next prime is 770664007. The reversal of 770663983 is 389366077.

It is a weak prime.

It is an emirp because it is prime and its reverse (389366077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770663983 - 2¹ = 770663981 is a prime.

Together with 770663981, 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 (770663981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385331991 + 385331992.

It is an arithmetic number, because the mean of its divisors is an integer number (385331992).

Almost surely, 2^770663983 is an apocalyptic number.

770663983 is a deficient number, since it is larger than the sum of its proper divisors (1).

770663983 is an equidigital number, since it uses as much as digits as its factorization.

770663983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 770663983 is about 27760.8354161037. The cubic root of 770663983 is about 916.8290260219.

The spelling of 770663983 in words is "seven hundred seventy million, six hundred sixty-three thousand, nine hundred eighty-three".