8720660703 has 16 divisors (see below), whose sum is σ = 12135741696. Its totient is φ = 5559787200.

The previous prime is 8720660687. The next prime is 8720660719. The reversal of 8720660703 is 3070660278.

It is an interprime number because it is at equal distance from previous prime (8720660687) and next prime (8720660719).

It is not a de Polignac number, because 8720660703 - 2⁴ = 8720660687 is a prime.

It is a super-3 number, since 3×8720660703³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720660783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389376 + ... + 411162.

It is an arithmetic number, because the mean of its divisors is an integer number (758483856).

Almost surely, 2^8720660703 is an apocalyptic number.

8720660703 is a deficient number, since it is larger than the sum of its proper divisors (3415080993).

8720660703 is a wasteful number, since it uses less digits than its factorization.

8720660703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27614.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 8720660703 is about 93384.4778483020. The cubic root of 8720660703 is about 2058.3369163496.

The spelling of 8720660703 in words is "eight billion, seven hundred twenty million, six hundred sixty thousand, seven hundred three".