914745779 has 2 divisors, whose sum is σ = 914745780. Its totient is φ = 914745778.

The previous prime is 914745743. The next prime is 914745791. The reversal of 914745779 is 977547419.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-914745779 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 914745779.

It is not a weakly prime, because it can be changed into another prime (914765779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457372889 + 457372890.

It is an arithmetic number, because the mean of its divisors is an integer number (457372890).

Almost surely, 2^914745779 is an apocalyptic number.

914745779 is a deficient number, since it is larger than the sum of its proper divisors (1).

914745779 is an equidigital number, since it uses as much as digits as its factorization.

914745779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 53.

The square root of 914745779 is about 30244.7644890814. The cubic root of 914745779 is about 970.7337697270.

The spelling of 914745779 in words is "nine hundred fourteen million, seven hundred forty-five thousand, seven hundred seventy-nine".