8480821507 has 4 divisors (see below), whose sum is σ = 8481092056. Its totient is φ = 8480550960.

The previous prime is 8480821499. The next prime is 8480821511. The reversal of 8480821507 is 7051280848.

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

It is a cyclic number.

It is not a de Polignac number, because 8480821507 - 2³ = 8480821499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8480821577) 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, 80994 + ... + 153367.

It is an arithmetic number, because the mean of its divisors is an integer number (2120273014).

Almost surely, 2^8480821507 is an apocalyptic number.

8480821507 is a deficient number, since it is larger than the sum of its proper divisors (270549).

8480821507 is a wasteful number, since it uses less digits than its factorization.

8480821507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270548.

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 8480821507 is about 92091.3758557228. The cubic root of 8480821507 is about 2039.2914932740.

The spelling of 8480821507 in words is "eight billion, four hundred eighty million, eight hundred twenty-one thousand, five hundred seven".