57770781325 has 12 divisors (see below), whose sum is σ = 71640587700. Its totient is φ = 46213516160.

The previous prime is 57770781319. The next prime is 57770781331. The reversal of 57770781325 is 52318707775.

57770781325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57770781319) and next prime (57770781331).

It can be written as a sum of positive squares in 6 ways, for example, as 5094105129 + 52676676196 = 71373^2 + 229514^2 .

It is not a de Polignac number, because 57770781325 - 2³ = 57770781317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346827 + ... + 485623.

It is an arithmetic number, because the mean of its divisors is an integer number (5970048975).

Almost surely, 2^57770781325 is an apocalyptic number.

It is an amenable number.

57770781325 is a deficient number, since it is larger than the sum of its proper divisors (13869806375).

57770781325 is a wasteful number, since it uses less digits than its factorization.

57770781325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155456 (or 155451 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 52.

The spelling of 57770781325 in words is "fifty-seven billion, seven hundred seventy million, seven hundred eighty-one thousand, three hundred twenty-five".