687304260425 has 12 divisors (see below), whose sum is σ = 879749454336. Its totient is φ = 532106523600.

The previous prime is 687304260407. The next prime is 687304260439. The reversal of 687304260425 is 524062403786.

It is not a de Polignac number, because 687304260425 - 2¹⁴ = 687304244041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 687304260425.

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, 443421329 + ... + 443422878.

It is an arithmetic number, because the mean of its divisors is an integer number (73312454528).

Almost surely, 2^687304260425 is an apocalyptic number.

It is an amenable number.

687304260425 is a deficient number, since it is larger than the sum of its proper divisors (192445193911).

687304260425 is a wasteful number, since it uses less digits than its factorization.

687304260425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886844248 (or 886844243 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 687304260425 in words is "six hundred eighty-seven billion, three hundred four million, two hundred sixty thousand, four hundred twenty-five".