8718868061 has 4 divisors (see below), whose sum is σ = 8721083232. Its totient is φ = 8716652892.

The previous prime is 8718868033. The next prime is 8718868063. The reversal of 8718868061 is 1608688178.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1608688178 = 2 ⋅804344089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8718868061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8718867994 and 8718868012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8718868063) 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, 1101671 + ... + 1109556.

It is an arithmetic number, because the mean of its divisors is an integer number (2180270808).

Almost surely, 2^8718868061 is an apocalyptic number.

It is an amenable number.

8718868061 is a deficient number, since it is larger than the sum of its proper divisors (2215171).

8718868061 is a wasteful number, since it uses less digits than its factorization.

8718868061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215170.

The product of its (nonzero) digits is 1032192, while the sum is 53.

The square root of 8718868061 is about 93374.8791752900. The cubic root of 8718868061 is about 2058.1958676305.

The spelling of 8718868061 in words is "eight billion, seven hundred eighteen million, eight hundred sixty-eight thousand, sixty-one".