68859907 has 4 divisors (see below), whose sum is σ = 71853840. Its totient is φ = 65865976.

The previous prime is 68859887. The next prime is 68859943. The reversal of 68859907 is 70995886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68859907 - 2⁷ = 68859779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68859977) 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, 1496932 + ... + 1496977.

It is an arithmetic number, because the mean of its divisors is an integer number (17963460).

Almost surely, 2^68859907 is an apocalyptic number.

68859907 is a deficient number, since it is larger than the sum of its proper divisors (2993933).

68859907 is a wasteful number, since it uses less digits than its factorization.

68859907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993932.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 68859907 is about 8298.1869706581. The cubic root of 68859907 is about 409.8788200272.

The spelling of 68859907 in words is "sixty-eight million, eight hundred fifty-nine thousand, nine hundred seven".