718127947 has 2 divisors, whose sum is σ = 718127948. Its totient is φ = 718127946.

The previous prime is 718127939. The next prime is 718127981. The reversal of 718127947 is 749721817.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 718127947 - 2³ = 718127939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 718127897 and 718127906.

It is not a weakly prime, because it can be changed into another prime (718127747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359063973 + 359063974.

It is an arithmetic number, because the mean of its divisors is an integer number (359063974).

Almost surely, 2^718127947 is an apocalyptic number.

718127947 is a deficient number, since it is larger than the sum of its proper divisors (1).

718127947 is an equidigital number, since it uses as much as digits as its factorization.

718127947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 46.

The square root of 718127947 is about 26797.9093774123. The cubic root of 718127947 is about 895.5034762777.

The spelling of 718127947 in words is "seven hundred eighteen million, one hundred twenty-seven thousand, nine hundred forty-seven".