86187233747 has 2 divisors, whose sum is σ = 86187233748. Its totient is φ = 86187233746.

The previous prime is 86187233711. The next prime is 86187233767. The reversal of 86187233747 is 74733278168.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86187233747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86187233692 and 86187233701.

It is not a weakly prime, because it can be changed into another prime (86187233767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43093616873 + 43093616874.

It is an arithmetic number, because the mean of its divisors is an integer number (43093616874).

Almost surely, 2^86187233747 is an apocalyptic number.

86187233747 is a deficient number, since it is larger than the sum of its proper divisors (1).

86187233747 is an equidigital number, since it uses as much as digits as its factorization.

86187233747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 56.

The spelling of 86187233747 in words is "eighty-six billion, one hundred eighty-seven million, two hundred thirty-three thousand, seven hundred forty-seven".