468847081 has 4 divisors (see below), whose sum is σ = 468890500. Its totient is φ = 468803664.

The previous prime is 468847079. The next prime is 468847087. The reversal of 468847081 is 180748864.

468847081 = T₁₇₆₇₈ + T₁₇₆₇₉ + T₁₇₆₈₀.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 202635225 + 266211856 = 14235^2 + 16316^2 .

It is a cyclic number.

It is not a de Polignac number, because 468847081 - 2¹ = 468847079 is a prime.

It is a super-2 number, since 2×468847081² = 439635170724441122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468847087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8515 + ... + 31783.

It is an arithmetic number, because the mean of its divisors is an integer number (117222625).

Almost surely, 2^468847081 is an apocalyptic number.

468847081 is the 17680-th centered triangular number.

It is an amenable number.

468847081 is a deficient number, since it is larger than the sum of its proper divisors (43419).

468847081 is a wasteful number, since it uses less digits than its factorization.

468847081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43418.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 468847081 is about 21652.8769681999. The cubic root of 468847081 is about 776.8617500292.

The spelling of 468847081 in words is "four hundred sixty-eight million, eight hundred forty-seven thousand, eighty-one".