60778317642025 has 9 divisors (see below), whose sum is σ = 75365162211621. Its totient is φ = 48622622929440.

The previous prime is 60778317642011. The next prime is 60778317642047. The reversal of 60778317642025 is 52024671387706.

The square root of 60778317642025 is 7796045.

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 9546450011289 + 51231867630736 = 3089733^2 + 7157644^2 .

It is not a de Polignac number, because 60778317642025 - 2²⁷ = 60778183424297 is a prime.

It is a super-2 number, since 2×60778317642025² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38200621 + ... + 39759829.

Almost surely, 2^{60778317642025} is an apocalyptic number.

60778317642025 is the 7796045-th square number.

60778317642025 is the 3898023-rd centered octagonal number.

It is an amenable number.

60778317642025 is a deficient number, since it is larger than the sum of its proper divisors (14586844569596).

60778317642025 is an frugal number, since it uses more digits than its factorization.

60778317642025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118428 (or 1559214 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 60778317642025 in words is "sixty trillion, seven hundred seventy-eight billion, three hundred seventeen million, six hundred forty-two thousand, twenty-five".