28377379 has 2 divisors, whose sum is σ = 28377380. Its totient is φ = 28377378.

The previous prime is 28377373. The next prime is 28377389. The reversal of 28377379 is 97377382.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28377379 is a prime.

It is not a weakly prime, because it can be changed into another prime (28377373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14188689 + 14188690.

It is an arithmetic number, because the mean of its divisors is an integer number (14188690).

Almost surely, 2^28377379 is an apocalyptic number.

28377379 is a deficient number, since it is larger than the sum of its proper divisors (1).

28377379 is an equidigital number, since it uses as much as digits as its factorization.

28377379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 46.

The square root of 28377379 is about 5327.0422374898. The cubic root of 28377379 is about 305.0170338959.

The spelling of 28377379 in words is "twenty-eight million, three hundred seventy-seven thousand, three hundred seventy-nine".