770655047 has 2 divisors, whose sum is σ = 770655048. Its totient is φ = 770655046.

The previous prime is 770655037. The next prime is 770655097. The reversal of 770655047 is 740556077.

It is a weak prime.

It is an emirp because it is prime and its reverse (740556077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770655047 - 2⁴ = 770655031 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 770654995 and 770655013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770655037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385327523 + 385327524.

It is an arithmetic number, because the mean of its divisors is an integer number (385327524).

Almost surely, 2^770655047 is an apocalyptic number.

770655047 is a deficient number, since it is larger than the sum of its proper divisors (1).

770655047 is an equidigital number, since it uses as much as digits as its factorization.

770655047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 770655047 is about 27760.6744694721. The cubic root of 770655047 is about 916.8254824041.

The spelling of 770655047 in words is "seven hundred seventy million, six hundred fifty-five thousand, forty-seven".