718427863 has 8 divisors (see below), whose sum is σ = 724814640. Its totient is φ = 712057920.

The previous prime is 718427861. The next prime is 718427869. The reversal of 718427863 is 368724817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 718427863 - 2¹ = 718427861 is a prime.

It is a super-2 number, since 2×718427863² = 1032277188669493538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718427861) 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 in 7 ways as a sum of consecutive naturals, for example, 90873 + ... + 98461.

It is an arithmetic number, because the mean of its divisors is an integer number (90601830).

Almost surely, 2^718427863 is an apocalyptic number.

718427863 is a deficient number, since it is larger than the sum of its proper divisors (6386777).

718427863 is a wasteful number, since it uses less digits than its factorization.

718427863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417.

The product of its digits is 451584, while the sum is 46.

The square root of 718427863 is about 26803.5046775604. The cubic root of 718427863 is about 895.6281237223.

The spelling of 718427863 in words is "seven hundred eighteen million, four hundred twenty-seven thousand, eight hundred sixty-three".