523777264474425 has 96 divisors (see below), whose sum is σ = 987612219272448. Its totient is φ = 242651618181120.

The previous prime is 523777264474423. The next prime is 523777264474439. The reversal of 523777264474425 is 524474462777325.

It is a happy number.

It is not a de Polignac number, because 523777264474425 - 2¹ = 523777264474423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523777264474425.

It is not an unprimeable number, because it can be changed into a prime (523777264474421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 98738284 + ... + 103907666.

It is an arithmetic number, because the mean of its divisors is an integer number (10287627284088).

Almost surely, 2^{523777264474425} is an apocalyptic number.

It is an amenable number.

523777264474425 is a deficient number, since it is larger than the sum of its proper divisors (463834954798023).

523777264474425 is a wasteful number, since it uses less digits than its factorization.

523777264474425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175539 (or 5175534 counting only the distinct ones).

The product of its digits is 2212761600, while the sum is 69.

The spelling of 523777264474425 in words is "five hundred twenty-three trillion, seven hundred seventy-seven billion, two hundred sixty-four million, four hundred seventy-four thousand, four hundred twenty-five".