770018535049 has 27 divisors (see below), whose sum is σ = 796409061357. Its totient is φ = 744497998968.

The previous prime is 770018535037. The next prime is 770018535067. The reversal of 770018535049 is 940535810077.

It is a happy number.

The square root of 770018535049 is 877507.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 770018535049 - 2⁷ = 770018534921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 770018534993 and 770018535011.

It is not an unprimeable number, because it can be changed into a prime (770018535079) 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 in 26 ways as a sum of consecutive naturals, for example, 5539701622 + ... + 5539701760.

Almost surely, 2^770018535049 is an apocalyptic number.

770018535049 is the 877507-th square number.

770018535049 is the 438754-th centered octagonal number.

It is an amenable number.

770018535049 is a deficient number, since it is larger than the sum of its proper divisors (26390526308).

770018535049 is an frugal number, since it uses more digits than its factorization.

770018535049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

Multiplying 770018535049 by its sum of digits (49), we get a square (37730908217401 = 6142549²).

The spelling of 770018535049 in words is "seven hundred seventy billion, eighteen million, five hundred thirty-five thousand, forty-nine".