8480785805081 has 4 divisors (see below), whose sum is σ = 8511402360612. Its totient is φ = 8450169249552.

The previous prime is 8480785805069. The next prime is 8480785805087. The reversal of 8480785805081 is 1805085870848.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5358373113856 + 3122412691225 = 2314816^2 + 1767035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8480785805081 is a prime.

It is a super-2 number, since 2×8480785805081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8480785805087) 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, 15308277350 + ... + 15308277903.

It is an arithmetic number, because the mean of its divisors is an integer number (2127850590153).

Almost surely, 2^{8480785805081} is an apocalyptic number.

It is an amenable number.

8480785805081 is a deficient number, since it is larger than the sum of its proper divisors (30616555531).

8480785805081 is a wasteful number, since it uses less digits than its factorization.

8480785805081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616555530.

The product of its (nonzero) digits is 22937600, while the sum is 62.

The spelling of 8480785805081 in words is "eight trillion, four hundred eighty billion, seven hundred eighty-five million, eight hundred five thousand, eighty-one".