8720872607 has 8 divisors (see below), whose sum is σ = 8945669376. Its totient is φ = 8497711192.

The previous prime is 8720872571. The next prime is 8720872609. The reversal of 8720872607 is 7062780278.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8720872607 - 2⁶ = 8720872543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720872609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398033 + ... + 419370.

It is an arithmetic number, because the mean of its divisors is an integer number (1118208672).

Almost surely, 2^8720872607 is an apocalyptic number.

8720872607 is a deficient number, since it is larger than the sum of its proper divisors (224796769).

8720872607 is a wasteful number, since it uses less digits than its factorization.

8720872607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817677.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 8720872607 is about 93385.6124196870. The cubic root of 8720872607 is about 2058.3535881099.

The spelling of 8720872607 in words is "eight billion, seven hundred twenty million, eight hundred seventy-two thousand, six hundred seven".