718770947 has 2 divisors, whose sum is σ = 718770948. Its totient is φ = 718770946.

The previous prime is 718770937. The next prime is 718770967. The reversal of 718770947 is 749077817.

718770947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 718770947 - 2⁶ = 718770883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 718770895 and 718770904.

It is not a weakly prime, because it can be changed into another prime (718770937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359385473 + 359385474.

It is an arithmetic number, because the mean of its divisors is an integer number (359385474).

Almost surely, 2^718770947 is an apocalyptic number.

718770947 is a deficient number, since it is larger than the sum of its proper divisors (1).

718770947 is an equidigital number, since it uses as much as digits as its factorization.

718770947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691488, while the sum is 50.

The square root of 718770947 is about 26809.9038976271. The cubic root of 718770947 is about 895.7706695945.

The spelling of 718770947 in words is "seven hundred eighteen million, seven hundred seventy thousand, nine hundred forty-seven".