468817581 has 8 divisors (see below), whose sum is σ = 631159360. Its totient is φ = 309510432.

The previous prime is 468817577. The next prime is 468817603. The reversal of 468817581 is 185718864.

It is a happy number.

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

It is not a de Polignac number, because 468817581 - 2² = 468817577 is a prime.

It is a super-2 number, since 2×468817581² = 439579848509383122, which contains 22 as substring.

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 468817581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468817501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758296 + ... + 758913.

It is an arithmetic number, because the mean of its divisors is an integer number (78894920).

Almost surely, 2^468817581 is an apocalyptic number.

It is an amenable number.

468817581 is a deficient number, since it is larger than the sum of its proper divisors (162341779).

468817581 is a wasteful number, since it uses less digits than its factorization.

468817581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517315.

The product of its digits is 430080, while the sum is 48.

The square root of 468817581 is about 21652.1957547035. The cubic root of 468817581 is about 776.8454562288.

The spelling of 468817581 in words is "four hundred sixty-eight million, eight hundred seventeen thousand, five hundred eighty-one".