718422487 has 2 divisors, whose sum is σ = 718422488. Its totient is φ = 718422486.

The previous prime is 718422479. The next prime is 718422511. The reversal of 718422487 is 784224817.

718422487 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 718422487 - 2³ = 718422479 is a prime.

It is a super-2 number, since 2×718422487² = 1032261739654530338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718420487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359211243 + 359211244.

It is an arithmetic number, because the mean of its divisors is an integer number (359211244).

Almost surely, 2^718422487 is an apocalyptic number.

718422487 is a deficient number, since it is larger than the sum of its proper divisors (1).

718422487 is an equidigital number, since it uses as much as digits as its factorization.

718422487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200704, while the sum is 43.

The square root of 718422487 is about 26803.4043919798. The cubic root of 718422487 is about 895.6258897198.

The spelling of 718422487 in words is "seven hundred eighteen million, four hundred twenty-two thousand, four hundred eighty-seven".