86670111138 has 96 divisors (see below), whose sum is σ = 193801485696. Its totient is φ = 25685807616.

The previous prime is 86670111113. The next prime is 86670111179. The reversal of 86670111138 is 83111107668.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86670111138.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31944870 + ... + 31947582.

It is an arithmetic number, because the mean of its divisors is an integer number (2018765476).

Almost surely, 2^86670111138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86670111138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96900742848).

86670111138 is an abundant number, since it is smaller than the sum of its proper divisors (107131374558).

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

86670111138 is a wasteful number, since it uses less digits than its factorization.

86670111138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 86670111138 in words is "eighty-six billion, six hundred seventy million, one hundred eleven thousand, one hundred thirty-eight".