772913514025 has 27 divisors (see below), whose sum is σ = 1018204729381. Its totient is φ = 581902144640.

The previous prime is 772913514011. The next prime is 772913514047. The reversal of 772913514025 is 520415319277.

The square root of 772913514025 is 879155.

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

It can be written as a sum of positive squares in 4 ways, for example, as 18079222681 + 754834291344 = 134459^2 + 868812^2 .

It is not a de Polignac number, because 772913514025 - 2⁹ = 772913513513 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, 74723004 + ... + 74733346.

Almost surely, 2^772913514025 is an apocalyptic number.

772913514025 is the 879155-th square number.

772913514025 is the 439578-th centered octagonal number.

It is an amenable number.

772913514025 is a deficient number, since it is larger than the sum of its proper divisors (245291215356).

772913514025 is an frugal number, since it uses more digits than its factorization.

772913514025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20730 (or 10365 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 772913514025 in words is "seven hundred seventy-two billion, nine hundred thirteen million, five hundred fourteen thousand, twenty-five".