57878392606225 has 27 divisors (see below), whose sum is σ = 71889072488571. Its totient is φ = 46225510282800.

The previous prime is 57878392606207. The next prime is 57878392606253. The reversal of 57878392606225 is 52260629387875.

The square root of 57878392606225 is 7607785.

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

It can be written as a sum of positive squares in only one way, i.e., 20836221338241 + 37042171267984 = 4564671^2 + 6086228^2 .

It is not a de Polignac number, because 57878392606225 - 2⁵ = 57878392606193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 36935795392 + ... + 36935796958.

Almost surely, 2^{57878392606225} is an apocalyptic number.

57878392606225 is the 7607785-th square number.

57878392606225 is the 3803893-rd centered octagonal number.

It is an amenable number.

57878392606225 is a deficient number, since it is larger than the sum of its proper divisors (14010679882346).

57878392606225 is an frugal number, since it uses more digits than its factorization.

57878392606225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 70.

The spelling of 57878392606225 in words is "fifty-seven trillion, eight hundred seventy-eight billion, three hundred ninety-two million, six hundred six thousand, two hundred twenty-five".