525374643088887 has 16 divisors (see below), whose sum is σ = 700724756118240. Its totient is φ = 350137163543552.

The previous prime is 525374643088817. The next prime is 525374643088903. The reversal of 525374643088887 is 788880346473525.

It is a cyclic number.

It is not a de Polignac number, because 525374643088887 - 2¹² = 525374643084791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525374643088817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118371439 + ... + 122729567.

It is an arithmetic number, because the mean of its divisors is an integer number (43795297257390).

Almost surely, 2^{525374643088887} is an apocalyptic number.

525374643088887 is a deficient number, since it is larger than the sum of its proper divisors (175350113029353).

525374643088887 is a wasteful number, since it uses less digits than its factorization.

525374643088887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371042.

The product of its (nonzero) digits is 8670412800, while the sum is 78.

The spelling of 525374643088887 in words is "five hundred twenty-five trillion, three hundred seventy-four billion, six hundred forty-three million, eighty-eight thousand, eight hundred eighty-seven".