8620120263 has 8 divisors (see below), whose sum is σ = 11494360048. Its totient is φ = 5746313664.

The previous prime is 8620120253. The next prime is 8620120273. The reversal of 8620120263 is 3620210268.

It is an interprime number because it is at equal distance from previous prime (8620120253) and next prime (8620120273).

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

It is not a de Polignac number, because 8620120263 - 2¹⁸ = 8619858119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8620120263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8620120253) 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, 58606 + ... + 143787.

It is an arithmetic number, because the mean of its divisors is an integer number (1436795006).

Almost surely, 2^8620120263 is an apocalyptic number.

8620120263 is a deficient number, since it is larger than the sum of its proper divisors (2874239785).

8620120263 is a wasteful number, since it uses less digits than its factorization.

8620120263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216593.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8620120263 is about 92844.6027672045. The cubic root of 8620120263 is about 2050.3961370495.

The spelling of 8620120263 in words is "eight billion, six hundred twenty million, one hundred twenty thousand, two hundred sixty-three".