8755121107 has 4 divisors (see below), whose sum is σ = 8758003176. Its totient is φ = 8752239040.

The previous prime is 8755121101. The next prime is 8755121119. The reversal of 8755121107 is 7011215578.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8755121107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8755121101) 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, 1436473 + ... + 1442554.

It is an arithmetic number, because the mean of its divisors is an integer number (2189500794).

Almost surely, 2^8755121107 is an apocalyptic number.

8755121107 is a deficient number, since it is larger than the sum of its proper divisors (2882069).

8755121107 is a wasteful number, since it uses less digits than its factorization.

8755121107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882068.

The product of its (nonzero) digits is 19600, while the sum is 37.

The square root of 8755121107 is about 93568.8041336427. The cubic root of 8755121107 is about 2061.0445818445.

The spelling of 8755121107 in words is "eight billion, seven hundred fifty-five million, one hundred twenty-one thousand, one hundred seven".