68587654321 has 8 divisors (see below), whose sum is σ = 71631826560. Its totient is φ = 65548657152.

The previous prime is 68587654313. The next prime is 68587654327. The reversal of 68587654321 is 12345678586.

It is a happy number.

68587654321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68587654321 - 2³ = 68587654313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68587654327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266661 + ... + 1319698.

It is an arithmetic number, because the mean of its divisors is an integer number (8953978320).

Almost surely, 2^68587654321 is an apocalyptic number.

It is an amenable number.

68587654321 is a deficient number, since it is larger than the sum of its proper divisors (3044172239).

68587654321 is a wasteful number, since it uses less digits than its factorization.

68587654321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587535.

The product of its digits is 9676800, while the sum is 55.

The spelling of 68587654321 in words is "sixty-eight billion, five hundred eighty-seven million, six hundred fifty-four thousand, three hundred twenty-one".