480616991 has 2 divisors, whose sum is σ = 480616992. Its totient is φ = 480616990.

The previous prime is 480616967. The next prime is 480617021. The reversal of 480616991 is 199616084.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 480616991 - 2²⁶ = 413508127 is a prime.

It is a super-3 number, since 3×480616991³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480616921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240308495 + 240308496.

It is an arithmetic number, because the mean of its divisors is an integer number (240308496).

Almost surely, 2^480616991 is an apocalyptic number.

480616991 is a deficient number, since it is larger than the sum of its proper divisors (1).

480616991 is an equidigital number, since it uses as much as digits as its factorization.

480616991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 480616991 is about 21922.9786069320. The cubic root of 480616991 is about 783.3088621096.

The spelling of 480616991 in words is "four hundred eighty million, six hundred sixteen thousand, nine hundred ninety-one".