467785561 has 4 divisors (see below), whose sum is σ = 480428452. Its totient is φ = 455142672.

The previous prime is 467785553. The next prime is 467785589. The reversal of 467785561 is 165587764.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 448592400 + 19193161 = 21180^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 467785561 - 2³ = 467785553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (467785511) 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, 6321390 + ... + 6321463.

It is an arithmetic number, because the mean of its divisors is an integer number (120107113).

Almost surely, 2^467785561 is an apocalyptic number.

It is an amenable number.

467785561 is a deficient number, since it is larger than the sum of its proper divisors (12642891).

467785561 is a wasteful number, since it uses less digits than its factorization.

467785561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12642890.

The product of its digits is 1411200, while the sum is 49.

The square root of 467785561 is about 21628.3508617740. The cubic root of 467785561 is about 776.2750075916.

The spelling of 467785561 in words is "four hundred sixty-seven million, seven hundred eighty-five thousand, five hundred sixty-one".