68089851 has 6 divisors (see below), whose sum is σ = 98352020. Its totient is φ = 45393228.

The previous prime is 68089849. The next prime is 68089873. The reversal of 68089851 is 15898086.

It is not a de Polignac number, because 68089851 - 2¹ = 68089849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68089797 and 68089806.

It is not an unprimeable number, because it can be changed into a prime (68089831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3782761 + ... + 3782778.

Almost surely, 2^68089851 is an apocalyptic number.

68089851 is a deficient number, since it is larger than the sum of its proper divisors (30262169).

68089851 is a wasteful number, since it uses less digits than its factorization.

68089851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565545 (or 7565542 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 68089851 is about 8251.6574698663. The cubic root of 68089851 is about 408.3452059670.

The spelling of 68089851 in words is "sixty-eight million, eighty-nine thousand, eight hundred fifty-one".