480791991 has 8 divisors (see below), whose sum is σ = 653151600. Its totient is φ = 314480192.

The previous prime is 480791959. The next prime is 480792007. The reversal of 480791991 is 199197084.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 480791991 - 2⁵ = 480791959 is a prime.

It is a super-3 number, since 3×480791991³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 480791991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480791921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511766 + ... + 1512083.

It is an arithmetic number, because the mean of its divisors is an integer number (81643950).

Almost surely, 2^480791991 is an apocalyptic number.

480791991 is a deficient number, since it is larger than the sum of its proper divisors (172359609).

480791991 is a wasteful number, since it uses less digits than its factorization.

480791991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023905.

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 480791991 is about 21926.9694896490. The cubic root of 480791991 is about 783.4039221535.

The spelling of 480791991 in words is "four hundred eighty million, seven hundred ninety-one thousand, nine hundred ninety-one".