68477467 has 2 divisors, whose sum is σ = 68477468. Its totient is φ = 68477466.

The previous prime is 68477459. The next prime is 68477473. The reversal of 68477467 is 76477486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68477467 - 2³ = 68477459 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68477467.

It is not a weakly prime, because it can be changed into another prime (68477477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34238733 + 34238734.

It is an arithmetic number, because the mean of its divisors is an integer number (34238734).

Almost surely, 2^68477467 is an apocalyptic number.

68477467 is a deficient number, since it is larger than the sum of its proper divisors (1).

68477467 is an equidigital number, since it uses as much as digits as its factorization.

68477467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 49.

The square root of 68477467 is about 8275.1112983452. Note that the first 3 decimals coincide. The cubic root of 68477467 is about 409.1186043008.

The spelling of 68477467 in words is "sixty-eight million, four hundred seventy-seven thousand, four hundred sixty-seven".