770682073225 has 27 divisors (see below), whose sum is σ = 960333172671. Its totient is φ = 613536268800.

The previous prime is 770682073157. The next prime is 770682073243. The reversal of 770682073225 is 522370286077.

It is a happy number.

The square root of 770682073225 is 877885.

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

It can be written as a sum of positive squares in 13 ways, for example, as 744929526649 + 25752546576 = 863093^2 + 160476^2 .

It is not a de Polignac number, because 770682073225 - 2⁷ = 770682073097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1479235965 + ... + 1479236485.

Almost surely, 2^770682073225 is an apocalyptic number.

770682073225 is the 877885-th square number.

770682073225 is the 438943-rd centered octagonal number.

It is an amenable number.

770682073225 is a deficient number, since it is larger than the sum of its proper divisors (189651099446).

770682073225 is an frugal number, since it uses more digits than its factorization.

770682073225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 49.

Multiplying 770682073225 by its sum of digits (49), we get a square (37763421588025 = 6145195²).

The spelling of 770682073225 in words is "seven hundred seventy billion, six hundred eighty-two million, seventy-three thousand, two hundred twenty-five".