86000776387 has 2 divisors, whose sum is σ = 86000776388. Its totient is φ = 86000776386.

The previous prime is 86000776363. The next prime is 86000776397. The reversal of 86000776387 is 78367700068.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86000776387 - 2¹¹ = 86000774339 is a prime.

It is a super-2 number, since 2×86000776387² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86000776397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43000388193 + 43000388194.

It is an arithmetic number, because the mean of its divisors is an integer number (43000388194).

Almost surely, 2^86000776387 is an apocalyptic number.

86000776387 is a deficient number, since it is larger than the sum of its proper divisors (1).

86000776387 is an equidigital number, since it uses as much as digits as its factorization.

86000776387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 86000776387 in words is "eighty-six billion, seven hundred seventy-six thousand, three hundred eighty-seven".