480023861 has 4 divisors (see below), whose sum is σ = 480534924. Its totient is φ = 479512800.

The previous prime is 480023857. The next prime is 480023879. The reversal of 480023861 is 168320084.

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 230857636 + 249166225 = 15194^2 + 15785^2 .

It is a cyclic number.

It is not a de Polignac number, because 480023861 - 2² = 480023857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480023801) 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, 254120 + ... + 256001.

It is an arithmetic number, because the mean of its divisors is an integer number (120133731).

Almost surely, 2^480023861 is an apocalyptic number.

It is an amenable number.

480023861 is a deficient number, since it is larger than the sum of its proper divisors (511063).

480023861 is an equidigital number, since it uses as much as digits as its factorization.

480023861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511062.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 480023861 is about 21909.4468437704. The cubic root of 480023861 is about 782.9865019989.

The spelling of 480023861 in words is "four hundred eighty million, twenty-three thousand, eight hundred sixty-one".