68931803 has 2 divisors, whose sum is σ = 68931804. Its totient is φ = 68931802.

The previous prime is 68931799. The next prime is 68931833. The reversal of 68931803 is 30813986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68931803 - 2² = 68931799 is a prime.

It is not a weakly prime, because it can be changed into another prime (68931833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34465901 + 34465902.

It is an arithmetic number, because the mean of its divisors is an integer number (34465902).

Almost surely, 2^68931803 is an apocalyptic number.

68931803 is a deficient number, since it is larger than the sum of its proper divisors (1).

68931803 is an equidigital number, since it uses as much as digits as its factorization.

68931803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 68931803 is about 8302.5178711039. The cubic root of 68931803 is about 410.0214206536.

The spelling of 68931803 in words is "sixty-eight million, nine hundred thirty-one thousand, eight hundred three".