68887487486393 has 4 divisors (see below), whose sum is σ = 68890477547520. Its totient is φ = 68884497425268.

The previous prime is 68887487486357. The next prime is 68887487486417. The reversal of 68887487486393 is 39368478478886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68887487486393 - 2³⁶ = 68818768009657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68887487486299 and 68887487486308.

It is not an unprimeable number, because it can be changed into a prime (68887487486093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494996005 + ... + 1495042082.

It is an arithmetic number, because the mean of its divisors is an integer number (17222619386880).

Almost surely, 2^{68887487486393} is an apocalyptic number.

It is an amenable number.

68887487486393 is a deficient number, since it is larger than the sum of its proper divisors (2990061127).

68887487486393 is a wasteful number, since it uses less digits than its factorization.

68887487486393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990061126.

The product of its digits is 74912366592, while the sum is 89.

The spelling of 68887487486393 in words is "sixty-eight trillion, eight hundred eighty-seven billion, four hundred eighty-seven million, four hundred eighty-six thousand, three hundred ninety-three".