86931126612 has 192 divisors, whose sum is σ = 247807123200. Its totient is φ = 26135746560.

The previous prime is 86931126599. The next prime is 86931126613. The reversal of 86931126612 is 21662113968.

86931126612 is a `hidden beast` number, since 8 + 6 + 9 + 3 + 1 + 1 + 26 + 612 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86931126613) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140892928 + ... + 140893544.

It is an arithmetic number, because the mean of its divisors is an integer number (1290662100).

Almost surely, 2^86931126612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86931126612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123903561600).

86931126612 is an abundant number, since it is smaller than the sum of its proper divisors (160875996588).

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

86931126612 is a wasteful number, since it uses less digits than its factorization.

86931126612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383 (or 1375 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 86931126612 in words is "eighty-six billion, nine hundred thirty-one million, one hundred twenty-six thousand, six hundred twelve".