468518557 has 8 divisors (see below), whose sum is σ = 505729784. Its totient is φ = 431474688.

The previous prime is 468518551. The next prime is 468518573. The reversal of 468518557 is 755815864.

It can be written as a sum of positive squares in 4 ways, for example, as 43375396 + 425143161 = 6586^2 + 20619^2 .

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 468518557 - 2⁷ = 468518429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 468518557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468518551) 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, 35988 + ... + 47245.

It is an arithmetic number, because the mean of its divisors is an integer number (63216223).

Almost surely, 2^468518557 is an apocalyptic number.

It is an amenable number.

468518557 is a deficient number, since it is larger than the sum of its proper divisors (37211227).

468518557 is a wasteful number, since it uses less digits than its factorization.

468518557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83679.

The product of its digits is 1344000, while the sum is 49.

The square root of 468518557 is about 21645.2894875536. The cubic root of 468518557 is about 776.6802570478.

The spelling of 468518557 in words is "four hundred sixty-eight million, five hundred eighteen thousand, five hundred fifty-seven".