8480728761 has 16 divisors (see below), whose sum is σ = 11420184384. Its totient is φ = 5597656064.

The previous prime is 8480728741. The next prime is 8480728777. The reversal of 8480728761 is 1678270848.

It is a cyclic number.

It is not a de Polignac number, because 8480728761 - 2²³ = 8472340153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8480728741) 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, 307825 + ... + 334241.

It is an arithmetic number, because the mean of its divisors is an integer number (713761524).

Almost surely, 2^8480728761 is an apocalyptic number.

It is an amenable number.

8480728761 is a deficient number, since it is larger than the sum of its proper divisors (2939455623).

8480728761 is a wasteful number, since it uses less digits than its factorization.

8480728761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27480.

The product of its (nonzero) digits is 1204224, while the sum is 51.

The square root of 8480728761 is about 92090.8723001362. The cubic root of 8480728761 is about 2039.2840593708.

The spelling of 8480728761 in words is "eight billion, four hundred eighty million, seven hundred twenty-eight thousand, seven hundred sixty-one".