8706612138 has 24 divisors (see below), whose sum is σ = 20256200352. Its totient is φ = 2487603384.

The previous prime is 8706612137. The next prime is 8706612139. The reversal of 8706612138 is 8312166078.

8706612138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8706612137) and next prime (8706612139).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 8706612138.

It is not an unprimeable number, because it can be changed into a prime (8706612137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14806870 + ... + 14807457.

It is an arithmetic number, because the mean of its divisors is an integer number (844008348).

Almost surely, 2^8706612138 is an apocalyptic number.

8706612138 is an abundant number, since it is smaller than the sum of its proper divisors (11549588214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8706612138 is a wasteful number, since it uses less digits than its factorization.

8706612138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29614346 (or 29614339 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8706612138 is about 93309.2285789568. The cubic root of 8706612138 is about 2057.2310283651.

The spelling of 8706612138 in words is "eight billion, seven hundred six million, six hundred twelve thousand, one hundred thirty-eight".