68679463 has 2 divisors, whose sum is σ = 68679464. Its totient is φ = 68679462.

The previous prime is 68679461. The next prime is 68679487. The reversal of 68679463 is 36497686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68679463 - 2¹ = 68679461 is a prime.

Together with 68679461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68679461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34339731 + 34339732.

It is an arithmetic number, because the mean of its divisors is an integer number (34339732).

Almost surely, 2^68679463 is an apocalyptic number.

68679463 is a deficient number, since it is larger than the sum of its proper divisors (1).

68679463 is an equidigital number, since it uses as much as digits as its factorization.

68679463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 68679463 is about 8287.3073431604. The cubic root of 68679463 is about 409.5204844140.

The spelling of 68679463 in words is "sixty-eight million, six hundred seventy-nine thousand, four hundred sixty-three".