480356891 has 4 divisors (see below), whose sum is σ = 548979312. Its totient is φ = 411734472.

The previous prime is 480356881. The next prime is 480356911. The reversal of 480356891 is 198653084.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-480356891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (480356801) 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, 34311200 + ... + 34311213.

It is an arithmetic number, because the mean of its divisors is an integer number (137244828).

Almost surely, 2^480356891 is an apocalyptic number.

480356891 is a deficient number, since it is larger than the sum of its proper divisors (68622421).

480356891 is an equidigital number, since it uses as much as digits as its factorization.

480356891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68622420.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 480356891 is about 21917.0456722616. The cubic root of 480356891 is about 783.1675330798.

The spelling of 480356891 in words is "four hundred eighty million, three hundred fifty-six thousand, eight hundred ninety-one".