8480501581 has 16 divisors (see below), whose sum is σ = 9047808000. Its totient is φ = 7934528448.

The previous prime is 8480501573. The next prime is 8480501587. The reversal of 8480501581 is 1851050848.

It is a cyclic number.

It is not a de Polignac number, because 8480501581 - 2³ = 8480501573 is a prime.

It is a super-2 number, since 2×8480501581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8480501587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131595 + ... + 185143.

It is an arithmetic number, because the mean of its divisors is an integer number (565488000).

Almost surely, 2^8480501581 is an apocalyptic number.

It is an amenable number.

8480501581 is a deficient number, since it is larger than the sum of its proper divisors (567306419).

8480501581 is a wasteful number, since it uses less digits than its factorization.

8480501581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53748.

The product of its (nonzero) digits is 51200, while the sum is 40.

The square root of 8480501581 is about 92089.6388362991. The cubic root of 8480501581 is about 2039.2658499023.

The spelling of 8480501581 in words is "eight billion, four hundred eighty million, five hundred one thousand, five hundred eighty-one".