68428379 has 2 divisors, whose sum is σ = 68428380. Its totient is φ = 68428378.

The previous prime is 68428363. The next prime is 68428387. The reversal of 68428379 is 97382486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68428379 - 2⁴ = 68428363 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34214189 + 34214190.

It is an arithmetic number, because the mean of its divisors is an integer number (34214190).

Almost surely, 2^68428379 is an apocalyptic number.

68428379 is a deficient number, since it is larger than the sum of its proper divisors (1).

68428379 is an equidigital number, since it uses as much as digits as its factorization.

68428379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 68428379 is about 8272.1447642072. The cubic root of 68428379 is about 409.0208221854.

The spelling of 68428379 in words is "sixty-eight million, four hundred twenty-eight thousand, three hundred seventy-nine".